2492261880 has 128 divisors (see below), whose sum is σ = 8028564480. Its totient is φ = 616663040.

The previous prime is 2492261867. The next prime is 2492261881. The reversal of 2492261880 is 881622942.

2492261880 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 super-2 number, since 2×2492261880² = 12422738557002268800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492261881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136237 + ... + 153443.

It is an arithmetic number, because the mean of its divisors is an integer number (62723160).

Almost surely, 2^2492261880 is an apocalyptic number.

2492261880 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 2492261880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4014282240).

2492261880 is an abundant number, since it is smaller than the sum of its proper divisors (5536302600).

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

2492261880 is a wasteful number, since it uses less digits than its factorization.

2492261880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17309 (or 17305 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2492261880 is about 49922.5588286498. The cubic root of 2492261880 is about 1355.8070617669.

The spelling of 2492261880 in words is "two billion, four hundred ninety-two million, two hundred sixty-one thousand, eight hundred eighty".