397432089600 has 2112 divisors, whose sum is σ = 1767130229760. Its totient is φ = 76441190400.

The previous prime is 397432089557. The next prime is 397432089643. The reversal of 397432089600 is 6980234793.

It is an interprime number because it is at equal distance from previous prime (397432089557) and next prime (397432089643).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5444275164 + ... + 5444275236.

Almost surely, 2^397432089600 is an apocalyptic number.

397432089600 is a gapful number since it is divisible by the number (30) 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 397432089600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883565114880).

397432089600 is an abundant number, since it is smaller than the sum of its proper divisors (1369698140160).

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

397432089600 is a wasteful number, since it uses less digits than its factorization.

397432089600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 397432089600 in words is "three hundred ninety-seven billion, four hundred thirty-two million, eighty-nine thousand, six hundred".