40225265465 has 48 divisors (see below), whose sum is σ = 64479913920. Its totient is φ = 23755697280.

The previous prime is 40225265429. The next prime is 40225265467. The reversal of 40225265465 is 56456252204.

It is not a de Polignac number, because 40225265465 - 2⁸ = 40225265209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40225265467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341582 + ... + 443991.

It is an arithmetic number, because the mean of its divisors is an integer number (1343331540).

Almost surely, 2^40225265465 is an apocalyptic number.

It is an amenable number.

40225265465 is a deficient number, since it is larger than the sum of its proper divisors (24254648455).

40225265465 is a wasteful number, since it uses less digits than its factorization.

40225265465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785622 (or 785615 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 40225265465 in words is "forty billion, two hundred twenty-five million, two hundred sixty-five thousand, four hundred sixty-five".