397748244096 has 512 divisors, whose sum is σ = 1373964480000. Its totient is φ = 113230172160.

The previous prime is 397748244067. The next prime is 397748244143. The reversal of 397748244096 is 690442847793.

397748244096 is a `hidden beast` number, since 39 + 7 + 74 + 8 + 2 + 440 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 499056370 + ... + 499057166.

It is an arithmetic number, because the mean of its divisors is an integer number (2683524375).

Almost surely, 2^397748244096 is an apocalyptic number.

397748244096 is a gapful number since it is divisible by the number (36) 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 397748244096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686982240000).

397748244096 is an abundant number, since it is smaller than the sum of its proper divisors (976216235904).

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

397748244096 is an equidigital number, since it uses as much as digits as its factorization.

397748244096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 397748244096 in words is "three hundred ninety-seven billion, seven hundred forty-eight million, two hundred forty-four thousand, ninety-six".