40962645864 has 128 divisors (see below), whose sum is σ = 130100428800. Its totient is φ = 11698188480.

The previous prime is 40962645859. The next prime is 40962645901. The reversal of 40962645864 is 46854626904.

40962645864 is a `hidden beast` number, since 4 + 0 + 9 + 626 + 4 + 5 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40962645864.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4178809 + ... + 4188599.

It is an arithmetic number, because the mean of its divisors is an integer number (1016409600).

Almost surely, 2^40962645864 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 40962645864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65050214400).

40962645864 is an abundant number, since it is smaller than the sum of its proper divisors (89137782936).

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

40962645864 is a wasteful number, since it uses less digits than its factorization.

40962645864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12580 (or 12570 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 40962645864 in words is "forty billion, nine hundred sixty-two million, six hundred forty-five thousand, eight hundred sixty-four".