397022094288 has 30 divisors (see below), whose sum is σ = 1111110444834. Its totient is φ = 132340698048.

The previous prime is 397022094253. The next prime is 397022094307. The reversal of 397022094288 is 882490220793.

It is a happy number.

397022094288 is a `hidden beast` number, since 3 + 9 + 7 + 0 + 2 + 209 + 428 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339646515264 + 57375579024 = 582792^2 + 239532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378548795 + ... + 1378549082.

Almost surely, 2^397022094288 is an apocalyptic number.

It is an amenable number.

397022094288 is an abundant number, since it is smaller than the sum of its proper divisors (714088350546).

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

397022094288 is a wasteful number, since it uses less digits than its factorization.

397022094288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757097891 (or 2757097882 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 397022094288 in words is "three hundred ninety-seven billion, twenty-two million, ninety-four thousand, two hundred eighty-eight".