9457492440 has 384 divisors, whose sum is σ = 33181747200. Its totient is φ = 2138019840.

The previous prime is 9457492423. The next prime is 9457492453. The reversal of 9457492440 is 442947549.

It is a self number, because there is not a number n which added to its sum of digits gives 9457492440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42410169 + ... + 42410391.

It is an arithmetic number, because the mean of its divisors is an integer number (86410800).

Almost surely, 2^9457492440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9457492440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16590873600).

9457492440 is an abundant number, since it is smaller than the sum of its proper divisors (23724254760).

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

9457492440 is a wasteful number, since it uses less digits than its factorization.

9457492440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 9457492440 is about 97249.6397936774. The cubic root of 9457492440 is about 2114.7482176564.

The spelling of 9457492440 in words is "nine billion, four hundred fifty-seven million, four hundred ninety-two thousand, four hundred forty".