40330542564 has 144 divisors (see below), whose sum is σ = 113475608064. Its totient is φ = 11993702400.

The previous prime is 40330542541. The next prime is 40330542583. The reversal of 40330542564 is 46524503304.

40330542564 is a `hidden beast` number, since 40 + 3 + 3 + 0 + 54 + 2 + 564 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16726519 + ... + 16728929.

It is an arithmetic number, because the mean of its divisors is an integer number (788025056).

Almost surely, 2^40330542564 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 40330542564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56737804032).

40330542564 is an abundant number, since it is smaller than the sum of its proper divisors (73145065500).

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

40330542564 is a wasteful number, since it uses less digits than its factorization.

40330542564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40330542564 in words is "forty billion, three hundred thirty million, five hundred forty-two thousand, five hundred sixty-four".