40133610225 has 72 divisors (see below), whose sum is σ = 78957178560. Its totient is φ = 19396333440.

The previous prime is 40133610199. The next prime is 40133610229. The reversal of 40133610225 is 52201633104.

40133610225 is a `hidden beast` number, since 40 + 1 + 3 + 3 + 610 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 40133610225 - 2⁶ = 40133610161 is a prime.

It is a super-2 number, since 2×40133610225² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133610229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 105762 + ... + 302411.

It is an arithmetic number, because the mean of its divisors is an integer number (1096627480).

Almost surely, 2^40133610225 is an apocalyptic number.

40133610225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40133610225 is a deficient number, since it is larger than the sum of its proper divisors (38823568335).

40133610225 is a wasteful number, since it uses less digits than its factorization.

40133610225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408231 (or 408223 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 40133610225 in words is "forty billion, one hundred thirty-three million, six hundred ten thousand, two hundred twenty-five".