40014665387 has 2 divisors, whose sum is σ = 40014665388. Its totient is φ = 40014665386.

The previous prime is 40014665371. The next prime is 40014665417. The reversal of 40014665387 is 78356641004.

40014665387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40014665387 - 2⁴ = 40014665371 is a prime.

It is not a weakly prime, because it can be changed into another prime (40014665347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007332693 + 20007332694.

It is an arithmetic number, because the mean of its divisors is an integer number (20007332694).

Almost surely, 2^40014665387 is an apocalyptic number.

40014665387 is a deficient number, since it is larger than the sum of its proper divisors (1).

40014665387 is an equidigital number, since it uses as much as digits as its factorization.

40014665387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 40014665387 in words is "forty billion, fourteen million, six hundred sixty-five thousand, three hundred eighty-seven".