397650124800 has 420 divisors, whose sum is σ = 1473142518276. Its totient is φ = 106035609600.

The previous prime is 397650124777. The next prime is 397650124819. The reversal of 397650124800 is 8421056793.

397650124800 is a `hidden beast` number, since 39 + 76 + 501 + 2 + 48 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16576815 + ... + 16600785.

It is a 1-persistent number, because it is pandigital, but 2⋅397650124800 = 795300249600 is not.

Almost surely, 2^397650124800 is an apocalyptic number.

397650124800 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 397650124800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736571259138).

397650124800 is an abundant number, since it is smaller than the sum of its proper divisors (1075492393476).

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

397650124800 is an equidigital number, since it uses as much as digits as its factorization.

397650124800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24019 (or 23981 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 397650124800 in words is "three hundred ninety-seven billion, six hundred fifty million, one hundred twenty-four thousand, eight hundred".