40320597198 has 16 divisors (see below), whose sum is σ = 92161365120. Its totient is φ = 11520170616.

The previous prime is 40320597179. The next prime is 40320597211. The reversal of 40320597198 is 89179502304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480007068 + ... + 480007151.

It is an arithmetic number, because the mean of its divisors is an integer number (5760085320).

Almost surely, 2^40320597198 is an apocalyptic number.

40320597198 is an abundant number, since it is smaller than the sum of its proper divisors (51840767922).

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

40320597198 is a wasteful number, since it uses less digits than its factorization.

40320597198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960014231.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 40320597198 in words is "forty billion, three hundred twenty million, five hundred ninety-seven thousand, one hundred ninety-eight".