40016642421632 has 16 divisors (see below), whose sum is σ = 79720654824600. Its totient is φ = 20008321210752.

The previous prime is 40016642421607. The next prime is 40016642421653. The reversal of 40016642421632 is 23612424661004.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 40016642421632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156315009332 + ... + 156315009587.

Almost surely, 2^{40016642421632} is an apocalyptic number.

It is an amenable number.

40016642421632 is a deficient number, since it is larger than the sum of its proper divisors (39704012402968).

40016642421632 is an equidigital number, since it uses as much as digits as its factorization.

40016642421632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312630018933 (or 312630018921 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 40016642421632 in words is "forty trillion, sixteen billion, six hundred forty-two million, four hundred twenty-one thousand, six hundred thirty-two".