40025505051 has 32 divisors (see below), whose sum is σ = 71334796800. Its totient is φ = 21667940640.

The previous prime is 40025505049. The next prime is 40025505101. The reversal of 40025505051 is 15050552004.

40025505051 is a `hidden beast` number, since 400 + 255 + 0 + 5 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 40025505051 - 2¹ = 40025505049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40025505001) 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 31 ways as a sum of consecutive naturals, for example, 5569440 + ... + 5576621.

It is an arithmetic number, because the mean of its divisors is an integer number (2229212400).

Almost surely, 2^40025505051 is an apocalyptic number.

40025505051 is a deficient number, since it is larger than the sum of its proper divisors (31309291749).

40025505051 is a wasteful number, since it uses less digits than its factorization.

40025505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146096 (or 11146090 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 40025505051 in words is "forty billion, twenty-five million, five hundred five thousand, fifty-one".