40634433125 has 80 divisors (see below), whose sum is σ = 62796148800. Its totient is φ = 25842240000.

The previous prime is 40634433041. The next prime is 40634433137. The reversal of 40634433125 is 52133443604.

It is a de Polignac number, because none of the positive numbers 2^k-40634433125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1686161 + ... + 1710089.

It is an arithmetic number, because the mean of its divisors is an integer number (784951860).

Almost surely, 2^40634433125 is an apocalyptic number.

It is an amenable number.

40634433125 is a deficient number, since it is larger than the sum of its proper divisors (22161715675).

40634433125 is a wasteful number, since it uses less digits than its factorization.

40634433125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23992 (or 23977 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 40634433125 its reverse (52133443604), we get a palindrome (92767876729).

The spelling of 40634433125 in words is "forty billion, six hundred thirty-four million, four hundred thirty-three thousand, one hundred twenty-five".