40637231077 has 8 divisors (see below), whose sum is σ = 41459143680. Its totient is φ = 39817362000.

The previous prime is 40637231021. The next prime is 40637231081. The reversal of 40637231077 is 77013273604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40637231077 - 2²³ = 40628842469 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 (40637231087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470677 + ... + 550282.

It is an arithmetic number, because the mean of its divisors is an integer number (5182392960).

Almost surely, 2^40637231077 is an apocalyptic number.

It is an amenable number.

40637231077 is a deficient number, since it is larger than the sum of its proper divisors (821912603).

40637231077 is a wasteful number, since it uses less digits than its factorization.

40637231077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021763.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 40637231077 in words is "forty billion, six hundred thirty-seven million, two hundred thirty-one thousand, seventy-seven".