397074507452 has 24 divisors (see below), whose sum is σ = 804201538560. Its totient is φ = 168020676720.

The previous prime is 397074507451. The next prime is 397074507469. The reversal of 397074507452 is 254705470793.

It is a junction number, because it is equal to n+sod(n) for n = 397074507394 and 397074507403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397074507451) 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, 89752424 + ... + 89756847.

It is an arithmetic number, because the mean of its divisors is an integer number (33508397440).

Almost surely, 2^397074507452 is an apocalyptic number.

It is an amenable number.

397074507452 is an abundant number, since it is smaller than the sum of its proper divisors (407127031108).

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

397074507452 is a wasteful number, since it uses less digits than its factorization.

397074507452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179509361 (or 179509359 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 397074507452 in words is "three hundred ninety-seven billion, seventy-four million, five hundred seven thousand, four hundred fifty-two".