40012107465 has 16 divisors (see below), whose sum is σ = 69839315136. Its totient is φ = 19399809600.

The previous prime is 40012107437. The next prime is 40012107469. The reversal of 40012107465 is 56470121004.

It is not a de Polignac number, because 40012107465 - 2⁸ = 40012107209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40012107469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121248646 + ... + 121248975.

It is an arithmetic number, because the mean of its divisors is an integer number (4364957196).

Almost surely, 2^40012107465 is an apocalyptic number.

It is an amenable number.

40012107465 is a deficient number, since it is larger than the sum of its proper divisors (29827207671).

40012107465 is a wasteful number, since it uses less digits than its factorization.

40012107465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242497640.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 40012107465 its reverse (56470121004), we get a palindrome (96482228469).

The spelling of 40012107465 in words is "forty billion, twelve million, one hundred seven thousand, four hundred sixty-five".