40634375767 has 4 divisors (see below), whose sum is σ = 40665706576. Its totient is φ = 40603044960.

The previous prime is 40634375753. The next prime is 40634375777. The reversal of 40634375767 is 76757343604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40634375767 - 2³⁵ = 6274637399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634375737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15663459 + ... + 15666052.

It is an arithmetic number, because the mean of its divisors is an integer number (10166426644).

Almost surely, 2^40634375767 is an apocalyptic number.

40634375767 is a deficient number, since it is larger than the sum of its proper divisors (31330809).

40634375767 is a wasteful number, since it uses less digits than its factorization.

40634375767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330808.

The product of its (nonzero) digits is 8890560, while the sum is 52.

The spelling of 40634375767 in words is "forty billion, six hundred thirty-four million, three hundred seventy-five thousand, seven hundred sixty-seven".