972040540 has 24 divisors (see below), whose sum is σ = 2042650512. Its totient is φ = 388556160.

The previous prime is 972040529. The next prime is 972040547. The reversal of 972040540 is 45040279.

972040540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×972040540² = 1889725622806983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972040547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15952 + ... + 46888.

It is an arithmetic number, because the mean of its divisors is an integer number (85110438).

Almost surely, 2^972040540 is an apocalyptic number.

It is an amenable number.

972040540 is an abundant number, since it is smaller than the sum of its proper divisors (1070609972).

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

972040540 is a wasteful number, since it uses less digits than its factorization.

972040540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32517 (or 32515 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 972040540 is about 31177.5646900139. The cubic root of 972040540 is about 990.5919460953.

The spelling of 972040540 in words is "nine hundred seventy-two million, forty thousand, five hundred forty".