492490653653440 has 56 divisors (see below), whose sum is σ = 1262954397408480. Its totient is φ = 181842702885888.

The previous prime is 492490653653389. The next prime is 492490653653443. The reversal of 492490653653440 is 44356356094294.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492490653653443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59193584020 + ... + 59193592339.

It is an arithmetic number, because the mean of its divisors is an integer number (22552757096580).

Almost surely, 2^{492490653653440} is an apocalyptic number.

492490653653440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492490653653440 is an abundant number, since it is smaller than the sum of its proper divisors (770463743755040).

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

492490653653440 is a wasteful number, since it uses less digits than its factorization.

492490653653440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118387176389 (or 118387176379 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 64.

The spelling of 492490653653440 in words is "four hundred ninety-two trillion, four hundred ninety billion, six hundred fifty-three million, six hundred fifty-three thousand, four hundred forty".