40326436725 has 24 divisors (see below), whose sum is σ = 66773991072. Its totient is φ = 21474868800.

The previous prime is 40326436721. The next prime is 40326436753. The reversal of 40326436725 is 52763462304.

It is not a de Polignac number, because 40326436725 - 2² = 40326436721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40326436721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357147 + ... + 456296.

It is an arithmetic number, because the mean of its divisors is an integer number (2782249628).

Almost surely, 2^40326436725 is an apocalyptic number.

It is an amenable number.

40326436725 is a deficient number, since it is larger than the sum of its proper divisors (26447554347).

40326436725 is a wasteful number, since it uses less digits than its factorization.

40326436725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814117 (or 814112 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 40326436725 in words is "forty billion, three hundred twenty-six million, four hundred thirty-six thousand, seven hundred twenty-five".