40614245664 has 48 divisors (see below), whose sum is σ = 111247722432. Its totient is φ = 12949468928.

The previous prime is 40614245647. The next prime is 40614245741. The reversal of 40614245664 is 46654241604.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 9194859 + ... + 9199274.

It is an arithmetic number, because the mean of its divisors is an integer number (2317660884).

Almost surely, 2^40614245664 is an apocalyptic number.

It is an amenable number.

40614245664 is an abundant number, since it is smaller than the sum of its proper divisors (70633476768).

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

40614245664 is a wasteful number, since it uses less digits than its factorization.

40614245664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18394169 (or 18394161 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 40614245664 in words is "forty billion, six hundred fourteen million, two hundred forty-five thousand, six hundred sixty-four".