397594248744 has 128 divisors (see below), whose sum is σ = 1259570810880. Its totient is φ = 101578233600.

The previous prime is 397594248743. The next prime is 397594248763. The reversal of 397594248744 is 447842495793.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (397594248743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1650784 + ... + 1876239.

It is an arithmetic number, because the mean of its divisors is an integer number (9840396960).

Almost surely, 2^397594248744 is an apocalyptic number.

It is an amenable number.

397594248744 is an abundant number, since it is smaller than the sum of its proper divisors (861976562136).

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

397594248744 is a wasteful number, since it uses less digits than its factorization.

397594248744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527111 (or 3527107 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 66.

The spelling of 397594248744 in words is "three hundred ninety-seven billion, five hundred ninety-four million, two hundred forty-eight thousand, seven hundred forty-four".