397633081104 has 240 divisors, whose sum is σ = 1361446195200. Its totient is φ = 109944397440.

The previous prime is 397633081103. The next prime is 397633081121. The reversal of 397633081104 is 401180336793.

397633081104 is a `hidden beast` number, since 3 + 9 + 7 + 633 + 0 + 8 + 1 + 1 + 0 + 4 = 666.

It is a super-2 number, since 2×397633081104² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397633081104.

It is not an unprimeable number, because it can be changed into a prime (397633081103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608047 + ... + 1079345.

It is an arithmetic number, because the mean of its divisors is an integer number (5672692480).

Almost surely, 2^397633081104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397633081104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680723097600).

397633081104 is an abundant number, since it is smaller than the sum of its proper divisors (963813114096).

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

397633081104 is a wasteful number, since it uses less digits than its factorization.

397633081104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471360 (or 471342 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 397633081104 in words is "three hundred ninety-seven billion, six hundred thirty-three million, eighty-one thousand, one hundred four".