2453498640 has 80 divisors (see below), whose sum is σ = 8450947200. Its totient is φ = 654265728.

The previous prime is 2453498639. The next prime is 2453498647. The reversal of 2453498640 is 468943542.

2453498640 is a `hidden beast` number, since 24 + 534 + 98 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

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 (2453498647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565780 + ... + 570099.

It is an arithmetic number, because the mean of its divisors is an integer number (105636840).

Almost surely, 2^2453498640 is an apocalyptic number.

2453498640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2453498640 is an abundant number, since it is smaller than the sum of its proper divisors (5997448560).

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

2453498640 is a wasteful number, since it uses less digits than its factorization.

2453498640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135901 (or 1135889 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 2453498640 is about 49532.8036759479. The cubic root of 2453498640 is about 1348.7411474935.

The spelling of 2453498640 in words is "two billion, four hundred fifty-three million, four hundred ninety-eight thousand, six hundred forty".