40647652125 has 32 divisors (see below), whose sum is σ = 68647253376. Its totient is φ = 21355171200.

The previous prime is 40647652081. The next prime is 40647652127. The reversal of 40647652125 is 52125674604.

It is not a de Polignac number, because 40647652125 - 2⁶ = 40647652061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40647652127) 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, 783784 + ... + 834033.

It is an arithmetic number, because the mean of its divisors is an integer number (2145226668).

Almost surely, 2^40647652125 is an apocalyptic number.

It is an amenable number.

40647652125 is a deficient number, since it is larger than the sum of its proper divisors (27999601251).

40647652125 is a wasteful number, since it uses less digits than its factorization.

40647652125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617902 (or 1617892 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 40647652125 in words is "forty billion, six hundred forty-seven million, six hundred fifty-two thousand, one hundred twenty-five".