40425513125 has 60 divisors (see below), whose sum is σ = 52607519580. Its totient is φ = 31035360000.

The previous prime is 40425513109. The next prime is 40425513127. The reversal of 40425513125 is 52131552404.

It can be written as a sum of positive squares in 10 ways, for example, as 31814786689 + 8610726436 = 178367^2 + 92794^2 .

It is not a de Polignac number, because 40425513125 - 2⁴ = 40425513109 is a prime.

It is a super-2 number, since 2×40425513125² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40425513091 and 40425513100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425513127) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 176530511 + ... + 176530739.

It is an arithmetic number, because the mean of its divisors is an integer number (876791993).

Almost surely, 2^40425513125 is an apocalyptic number.

It is an amenable number.

40425513125 is a deficient number, since it is larger than the sum of its proper divisors (12182006455).

40425513125 is an frugal number, since it uses more digits than its factorization.

40425513125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 40425513125 in words is "forty billion, four hundred twenty-five million, five hundred thirteen thousand, one hundred twenty-five".