40071377957 has 16 divisors (see below), whose sum is σ = 43438467072. Its totient is φ = 36745228800.

The previous prime is 40071377953. The next prime is 40071377959. The reversal of 40071377957 is 75977317004.

It is a cyclic number.

It is not a de Polignac number, because 40071377957 - 2² = 40071377953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40071377953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4374332 + ... + 4383482.

It is an arithmetic number, because the mean of its divisors is an integer number (2714904192).

Almost surely, 2^40071377957 is an apocalyptic number.

It is an amenable number.

40071377957 is a deficient number, since it is larger than the sum of its proper divisors (3367089115).

40071377957 is a wasteful number, since it uses less digits than its factorization.

40071377957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348.

The product of its (nonzero) digits is 1296540, while the sum is 50.

The spelling of 40071377957 in words is "forty billion, seventy-one million, three hundred seventy-seven thousand, nine hundred fifty-seven".