674040337398 has 24 divisors (see below), whose sum is σ = 1523917285488. Its totient is φ = 214911411792.

The previous prime is 674040337361. The next prime is 674040337457. The reversal of 674040337398 is 893733040476.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 814057965 + ... + 814058792.

It is an arithmetic number, because the mean of its divisors is an integer number (63496553562).

Almost surely, 2^674040337398 is an apocalyptic number.

674040337398 is an abundant number, since it is smaller than the sum of its proper divisors (849876948090).

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

674040337398 is a wasteful number, since it uses less digits than its factorization.

674040337398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628116788 (or 1628116785 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 674040337398 in words is "six hundred seventy-four billion, forty million, three hundred thirty-seven thousand, three hundred ninety-eight".