2498525640 has 384 divisors, whose sum is σ = 9202152960. Its totient is φ = 583759872.

The previous prime is 2498525639. The next prime is 2498525647. The reversal of 2498525640 is 465258942.

2498525640 is a `hidden beast` number, since 2 + 4 + 9 + 85 + 2 + 564 + 0 = 666.

2498525640 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2498525647) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8138367 + ... + 8138673.

It is an arithmetic number, because the mean of its divisors is an integer number (23963940).

Almost surely, 2^2498525640 is an apocalyptic number.

2498525640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2498525640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4601076480).

2498525640 is an abundant number, since it is smaller than the sum of its proper divisors (6703627320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2498525640 is a wasteful number, since it uses less digits than its factorization.

2498525640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2498525640 is about 49985.2542256214. The cubic root of 2498525640 is about 1356.9419539148.

It can be divided in two parts, 24985 and 25640, that added together give a 4-th power (50625 = 15⁴).

The spelling of 2498525640 in words is "two billion, four hundred ninety-eight million, five hundred twenty-five thousand, six hundred forty".