40654426915 has 32 divisors (see below), whose sum is σ = 51027001920. Its totient is φ = 31063564800.

The previous prime is 40654426903. The next prime is 40654426919. The reversal of 40654426915 is 51962445604.

40654426915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40654426915 - 2⁹ = 40654426403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40654426919) 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, 6101856 + ... + 6108514.

It is an arithmetic number, because the mean of its divisors is an integer number (1594593810).

Almost surely, 2^40654426915 is an apocalyptic number.

40654426915 is a deficient number, since it is larger than the sum of its proper divisors (10372575005).

40654426915 is a wasteful number, since it uses less digits than its factorization.

40654426915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 40654426915 in words is "forty billion, six hundred fifty-four million, four hundred twenty-six thousand, nine hundred fifteen".