397074507408 has 30 divisors (see below), whose sum is σ = 1111257128774. Its totient is φ = 132358169088.

The previous prime is 397074507383. The next prime is 397074507419. The reversal of 397074507408 is 804705470793.

397074507408 is a `hidden beast` number, since 3 + 97 + 0 + 7 + 4 + 507 + 40 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 278264690064 + 118809817344 = 527508^2 + 344688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378730785 + ... + 1378731072.

Almost surely, 2^397074507408 is an apocalyptic number.

It is an amenable number.

397074507408 is an abundant number, since it is smaller than the sum of its proper divisors (714182621366).

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

397074507408 is a wasteful number, since it uses less digits than its factorization.

397074507408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757461871 (or 2757461862 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 397074507408 in words is "three hundred ninety-seven billion, seventy-four million, five hundred seven thousand, four hundred eight".