40680562944 has 288 divisors, whose sum is σ = 133294178304. Its totient is φ = 10758021120.

The previous prime is 40680562943. The next prime is 40680562987. The reversal of 40680562944 is 44926508604.

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

It is a junction number, because it is equal to n+sod(n) for n = 40680562893 and 40680562902.

It is not an unprimeable number, because it can be changed into a prime (40680562943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3827782 + ... + 3838394.

It is an arithmetic number, because the mean of its divisors is an integer number (462827008).

Almost surely, 2^40680562944 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 40680562944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66647089152).

40680562944 is an abundant number, since it is smaller than the sum of its proper divisors (92613615360).

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

40680562944 is a wasteful number, since it uses less digits than its factorization.

40680562944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693 (or 10679 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 40680562944 in words is "forty billion, six hundred eighty million, five hundred sixty-two thousand, nine hundred forty-four".