971625445040 has 40 divisors (see below), whose sum is σ = 2263041749808. Its totient is φ = 387959840000.

The previous prime is 971625444991. The next prime is 971625445057. The reversal of 971625445040 is 40544526179.

971625445040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 10741211 + ... + 10831290.

Almost surely, 2^971625445040 is an apocalyptic number.

It is an amenable number.

971625445040 is an abundant number, since it is smaller than the sum of its proper divisors (1291416304768).

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

971625445040 is a wasteful number, since it uses less digits than its factorization.

971625445040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21573077 (or 21573071 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 971625445040 in words is "nine hundred seventy-one billion, six hundred twenty-five million, four hundred forty-five thousand, forty".