40157955683 has 4 divisors (see below), whose sum is σ = 41012380320. Its totient is φ = 39303531048.

The previous prime is 40157955667. The next prime is 40157955689. The reversal of 40157955683 is 38655975104.

It is a happy number.

40157955683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40157955683 - 2⁴ = 40157955667 is a prime.

It is a super-2 number, since 2×40157955683² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40157955689) 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, 427212248 + ... + 427212341.

It is an arithmetic number, because the mean of its divisors is an integer number (10253095080).

Almost surely, 2^40157955683 is an apocalyptic number.

40157955683 is a deficient number, since it is larger than the sum of its proper divisors (854424637).

40157955683 is an equidigital number, since it uses as much as digits as its factorization.

40157955683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854424636.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 40157955683 in words is "forty billion, one hundred fifty-seven million, nine hundred fifty-five thousand, six hundred eighty-three".