40513426007625 has 24 divisors (see below), whose sum is σ = 73032202618440. Its totient is φ = 21607160536800.

The previous prime is 40513426007591. The next prime is 40513426007687. The reversal of 40513426007625 is 52670062431504.

40513426007625 is a `hidden beast` number, since 4 + 0 + 5 + 1 + 34 + 2 + 600 + 7 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 66230051904 + 40447195955721 = 257352^2 + 6359811^2 .

It is not a de Polignac number, because 40513426007625 - 2¹⁰ = 40513426006601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18005965990 + ... + 18005968239.

It is an arithmetic number, because the mean of its divisors is an integer number (3043008442435).

Almost surely, 2^{40513426007625} is an apocalyptic number.

40513426007625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40513426007625 is a deficient number, since it is larger than the sum of its proper divisors (32518776610815).

40513426007625 is a wasteful number, since it uses less digits than its factorization.

40513426007625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36011934250 (or 36011934237 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 40513426007625 in words is "forty trillion, five hundred thirteen billion, four hundred twenty-six million, seven thousand, six hundred twenty-five".