9256965257040 has 40 divisors (see below), whose sum is σ = 28696592297568. Its totient is φ = 2468524068480.

The previous prime is 9256965257027. The next prime is 9256965257077. The reversal of 9256965257040 is 407525696529.

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

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 19285344046 + ... + 19285344525.

Almost surely, 2^{9256965257040} is an apocalyptic number.

It is an amenable number.

9256965257040 is an abundant number, since it is smaller than the sum of its proper divisors (19439627040528).

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

9256965257040 is a wasteful number, since it uses less digits than its factorization.

9256965257040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38570688587 (or 38570688581 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 60.

The spelling of 9256965257040 in words is "nine trillion, two hundred fifty-six billion, nine hundred sixty-five million, two hundred fifty-seven thousand, forty".