40225251051 has 32 divisors (see below), whose sum is σ = 59900904000. Its totient is φ = 26678626560.

The previous prime is 40225251043. The next prime is 40225251083. The reversal of 40225251051 is 15015252204.

40225251051 is a `hidden beast` number, since 402 + 2 + 5 + 251 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 40225251051 - 2³ = 40225251043 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 (40225251091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4301641 + ... + 4310981.

It is an arithmetic number, because the mean of its divisors is an integer number (1871903250).

Almost surely, 2^40225251051 is an apocalyptic number.

40225251051 is a deficient number, since it is larger than the sum of its proper divisors (19675652949).

40225251051 is a wasteful number, since it uses less digits than its factorization.

40225251051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156 (or 10150 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 40225251051 in words is "forty billion, two hundred twenty-five million, two hundred fifty-one thousand, fifty-one".