40672605025 has 72 divisors (see below), whose sum is σ = 55978637624. Its totient is φ = 29140300800.

The previous prime is 40672605023. The next prime is 40672605047. The reversal of 40672605025 is 52050627604.

It can be written as a sum of positive squares in 12 ways, for example, as 39787483024 + 885122001 = 199468^2 + 29751^2 .

It is not a de Polignac number, because 40672605025 - 2¹ = 40672605023 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40672605023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129944269 + ... + 129944581.

Almost surely, 2^40672605025 is an apocalyptic number.

It is an amenable number.

40672605025 is a deficient number, since it is larger than the sum of its proper divisors (15306032599).

40672605025 is a wasteful number, since it uses less digits than its factorization.

40672605025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 40672605025 in words is "forty billion, six hundred seventy-two million, six hundred five thousand, twenty-five".