9126540864 has 840 divisors, whose sum is σ = 34756465920. Its totient is φ = 2351462400.

The previous prime is 9126540853. The next prime is 9126540889. The reversal of 9126540864 is 4680456219.

9126540864 is a `hidden beast` number, since 9 + 1 + 26 + 540 + 86 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 149615394 + ... + 149615454.

Almost surely, 2^9126540864 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 9126540864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17378232960).

9126540864 is an abundant number, since it is smaller than the sum of its proper divisors (25629925056).

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

9126540864 is a wasteful number, since it uses less digits than its factorization.

9126540864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 9126540864 is about 95532.9307830551. The cubic root of 9126540864 is about 2089.7872133663.

The spelling of 9126540864 in words is "nine billion, one hundred twenty-six million, five hundred forty thousand, eight hundred sixty-four".