40514515551 has 16 divisors (see below), whose sum is σ = 60781273600. Its totient is φ = 26667780984.

The previous prime is 40514515501. The next prime is 40514515577. The reversal of 40514515551 is 15551541504.

40514515551 is a `hidden beast` number, since 4 + 0 + 51 + 4 + 51 + 5 + 551 = 666.

It is not a de Polignac number, because 40514515551 - 2¹¹ = 40514513503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40514515501) 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, 9494941 + ... + 9499206.

It is an arithmetic number, because the mean of its divisors is an integer number (3798829600).

Almost surely, 2^40514515551 is an apocalyptic number.

40514515551 is a deficient number, since it is larger than the sum of its proper divisors (20266758049).

40514515551 is a wasteful number, since it uses less digits than its factorization.

40514515551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18994235 (or 18994229 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 40514515551 in words is "forty billion, five hundred fourteen million, five hundred fifteen thousand, five hundred fifty-one".