390497587452 has 36 divisors (see below), whose sum is σ = 1128104142256. Its totient is φ = 111570739200.

The previous prime is 390497587451. The next prime is 390497587489. The reversal of 390497587452 is 254785794093.

390497587452 is a `hidden beast` number, since 3 + 9 + 0 + 4 + 9 + 7 + 587 + 45 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 390497587452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390497587451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774796549 + ... + 774797052.

Almost surely, 2^390497587452 is an apocalyptic number.

It is an amenable number.

390497587452 is an abundant number, since it is smaller than the sum of its proper divisors (737606554804).

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

390497587452 is a wasteful number, since it uses less digits than its factorization.

390497587452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549593618 (or 1549593613 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 63.

The spelling of 390497587452 in words is "three hundred ninety billion, four hundred ninety-seven million, five hundred eighty-seven thousand, four hundred fifty-two".