74098596440 has 64 divisors (see below), whose sum is σ = 186314476320. Its totient is φ = 26287744000.

The previous prime is 74098596427. The next prime is 74098596449. The reversal of 74098596440 is 4469589047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74098596449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035691 + ... + 2071770.

Almost surely, 2^74098596440 is an apocalyptic number.

It is an amenable number.

74098596440 is an abundant number, since it is smaller than the sum of its proper divisors (112215879880).

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

74098596440 is a wasteful number, since it uses less digits than its factorization.

74098596440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107524 (or 4107520 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 74098596440 in words is "seventy-four billion, ninety-eight million, five hundred ninety-six thousand, four hundred forty".