972432040 has 32 divisors (see below), whose sum is σ = 2209644360. Its totient is φ = 385120000.

The previous prime is 972432023. The next prime is 972432059. The reversal of 972432040 is 40234279.

972432040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 967583236 + 4848804 = 31106^2 + 2202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 972431993 and 972432011.

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, 116311 + ... + 124390.

Almost surely, 2^972432040 is an apocalyptic number.

It is an amenable number.

972432040 is an abundant number, since it is smaller than the sum of its proper divisors (1237212320).

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

972432040 is a wasteful number, since it uses less digits than its factorization.

972432040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240813 (or 240809 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 972432040 is about 31183.8426111985. The cubic root of 972432040 is about 990.7249188390.

The spelling of 972432040 in words is "nine hundred seventy-two million, four hundred thirty-two thousand, forty".