40502404511051 has 24 divisors (see below), whose sum is σ = 50030280570096. Its totient is φ = 32580046464000.

The previous prime is 40502404510999. The next prime is 40502404511053. The reversal of 40502404511051 is 15011540420504.

It is a happy number.

It is not a de Polignac number, because 40502404511051 - 2⁶ = 40502404510987 is a prime.

It is a super-2 number, since 2×40502404511051² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40502404510999 and 40502404511017.

It is not an unprimeable number, because it can be changed into a prime (40502404511053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69771950 + ... + 70350051.

It is an arithmetic number, because the mean of its divisors is an integer number (2084595023754).

Almost surely, 2^{40502404511051} is an apocalyptic number.

40502404511051 is a deficient number, since it is larger than the sum of its proper divisors (9527876059045).

40502404511051 is a wasteful number, since it uses less digits than its factorization.

40502404511051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140122379 (or 140122372 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 40502404511051 its reverse (15011540420504), we get a palindrome (55513944931555).

The spelling of 40502404511051 in words is "forty trillion, five hundred two billion, four hundred four million, five hundred eleven thousand, fifty-one".