40663415324640 has 96 divisors (see below), whose sum is σ = 128381535152640. Its totient is φ = 10818876731904.

The previous prime is 40663415324633. The next prime is 40663415324683. The reversal of 40663415324640 is 4642351436604.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×40663415324640² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 40663415324640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96276124 + ... + 96697563.

It is an arithmetic number, because the mean of its divisors is an integer number (1337307657840).

Almost surely, 2^{40663415324640} is an apocalyptic number.

40663415324640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40663415324640 is an abundant number, since it is smaller than the sum of its proper divisors (87718119828000).

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

40663415324640 is a wasteful number, since it uses less digits than its factorization.

40663415324640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192974144 (or 192974136 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 40663415324640 in words is "forty trillion, six hundred sixty-three billion, four hundred fifteen million, three hundred twenty-four thousand, six hundred forty".