397606249152 has 672 divisors, whose sum is σ = 1442536957440. Its totient is φ = 106849290240.

The previous prime is 397606249133. The next prime is 397606249189. The reversal of 397606249152 is 251942606793.

397606249152 is a `hidden beast` number, since 3 + 9 + 7 + 6 + 0 + 624 + 9 + 1 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-3 number, since 3×397606249152³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 118793143 + ... + 118796489.

Almost surely, 2^397606249152 is an apocalyptic number.

397606249152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397606249152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721268478720).

397606249152 is an abundant number, since it is smaller than the sum of its proper divisors (1044930708288).

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

397606249152 is a wasteful number, since it uses less digits than its factorization.

397606249152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 397606249152 in words is "three hundred ninety-seven billion, six hundred six million, two hundred forty-nine thousand, one hundred fifty-two".