674324638240 has 96 divisors (see below), whose sum is σ = 1745575562304. Its totient is φ = 244128599040.

The previous prime is 674324638223. The next prime is 674324638271. The reversal of 674324638240 is 42836423476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444399 + ... + 1243438.

It is an arithmetic number, because the mean of its divisors is an integer number (18183078774).

Almost surely, 2^674324638240 is an apocalyptic number.

It is an amenable number.

674324638240 is an abundant number, since it is smaller than the sum of its proper divisors (1071250924064).

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

674324638240 is a wasteful number, since it uses less digits than its factorization.

674324638240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688090 (or 1688082 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 674324638240 in words is "six hundred seventy-four billion, three hundred twenty-four million, six hundred thirty-eight thousand, two hundred forty".