40514950521 has 16 divisors (see below), whose sum is σ = 60075641920. Its totient is φ = 26985895200.

The previous prime is 40514950517. The next prime is 40514950549. The reversal of 40514950521 is 12505941504.

40514950521 is a `hidden beast` number, since 4 + 0 + 5 + 149 + 505 + 2 + 1 = 666.

It is not a de Polignac number, because 40514950521 - 2² = 40514950517 is a prime.

It is a super-2 number, since 2×40514950521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40514950571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637780 + ... + 698421.

It is an arithmetic number, because the mean of its divisors is an integer number (3754727620).

Almost surely, 2^40514950521 is an apocalyptic number.

It is an amenable number.

40514950521 is a deficient number, since it is larger than the sum of its proper divisors (19560691399).

40514950521 is a wasteful number, since it uses less digits than its factorization.

40514950521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337333 (or 1337327 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 40514950521 in words is "forty billion, five hundred fourteen million, nine hundred fifty thousand, five hundred twenty-one".