40578879364 has 27 divisors (see below), whose sum is σ = 72589974807. Its totient is φ = 19848483144.

The previous prime is 40578879293. The next prime is 40578879377. The reversal of 40578879364 is 46397887504.

It is a happy number.

The square root of 40578879364 is 201442.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18934477 + ... + 18936619.

Almost surely, 2^40578879364 is an apocalyptic number.

40578879364 is the 201442-nd square number.

It is an amenable number.

40578879364 is a deficient number, since it is larger than the sum of its proper divisors (32011095443).

40578879364 is an frugal number, since it uses more digits than its factorization.

40578879364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 40578879364 in words is "forty billion, five hundred seventy-eight million, eight hundred seventy-nine thousand, three hundred sixty-four".