40401400325 has 48 divisors (see below), whose sum is σ = 59734885056. Its totient is φ = 26717644800.

The previous prime is 40401400289. The next prime is 40401400363. The reversal of 40401400325 is 52300410404.

It is not a de Polignac number, because 40401400325 - 2⁶ = 40401400261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40401400325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155189 + ... + 323861.

It is an arithmetic number, because the mean of its divisors is an integer number (1244476772).

Almost surely, 2^40401400325 is an apocalyptic number.

It is an amenable number.

40401400325 is a deficient number, since it is larger than the sum of its proper divisors (19333484731).

40401400325 is a wasteful number, since it uses less digits than its factorization.

40401400325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168774 (or 168769 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40401400325 its reverse (52300410404), we get a palindrome (92701810729).

The spelling of 40401400325 in words is "forty billion, four hundred one million, four hundred thousand, three hundred twenty-five".