40512460365 has 32 divisors (see below), whose sum is σ = 77562320640. Its totient is φ = 19944595008.

The previous prime is 40512460321. The next prime is 40512460367. The reversal of 40512460365 is 56306421504.

40512460365 is a `hidden beast` number, since 4 + 0 + 51 + 246 + 0 + 365 = 666.

It is not a de Polignac number, because 40512460365 - 2⁷ = 40512460237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512460367) 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, 11540257 + ... + 11543766.

It is an arithmetic number, because the mean of its divisors is an integer number (2423822520).

Almost surely, 2^40512460365 is an apocalyptic number.

40512460365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40512460365 is a deficient number, since it is larger than the sum of its proper divisors (37049860275).

40512460365 is a wasteful number, since it uses less digits than its factorization.

40512460365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084050 (or 23084044 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 40512460365 its reverse (56306421504), we get a palindrome (96818881869).

The spelling of 40512460365 in words is "forty billion, five hundred twelve million, four hundred sixty thousand, three hundred sixty-five".