40545250051 has 4 divisors (see below), whose sum is σ = 42679210600. Its totient is φ = 38411289504.

The previous prime is 40545250043. The next prime is 40545250183. The reversal of 40545250051 is 15005254504.

40545250051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40545250051 - 2³ = 40545250043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40545249995 and 40545250022.

It is not an unprimeable number, because it can be changed into a prime (40545250451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066980246 + ... + 1066980283.

It is an arithmetic number, because the mean of its divisors is an integer number (10669802650).

Almost surely, 2^40545250051 is an apocalyptic number.

40545250051 is a deficient number, since it is larger than the sum of its proper divisors (2133960549).

40545250051 is a wasteful number, since it uses less digits than its factorization.

40545250051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133960548.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 40545250051 in words is "forty billion, five hundred forty-five million, two hundred fifty thousand, fifty-one".