40988431936 has 21 divisors (see below), whose sum is σ = 81339633739. Its totient is φ = 20493406144.

The previous prime is 40988431879. The next prime is 40988431987. The reversal of 40988431936 is 63913488904.

The square root of 40988431936 is 202456.

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 2 ways as a sum of consecutive naturals, for example, 1606995 + ... + 1632301.

Almost surely, 2^40988431936 is an apocalyptic number.

40988431936 is the 202456-th square number.

It is an amenable number.

40988431936 is a deficient number, since it is larger than the sum of its proper divisors (40351201803).

40988431936 is an frugal number, since it uses more digits than its factorization.

40988431936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50626 (or 25309 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 40988431936 in words is "forty billion, nine hundred eighty-eight million, four hundred thirty-one thousand, nine hundred thirty-six".