40157527771 has 4 divisors (see below), whose sum is σ = 40161151152. Its totient is φ = 40153904392.

The previous prime is 40157527757. The next prime is 40157527853. The reversal of 40157527771 is 17772575104.

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 40157527771 - 2²⁵ = 40123973339 is a prime.

It is a super-2 number, since 2×40157527771² (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 (40157522771) 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, 1795015 + ... + 1817248.

It is an arithmetic number, because the mean of its divisors is an integer number (10040287788).

Almost surely, 2^40157527771 is an apocalyptic number.

40157527771 is a deficient number, since it is larger than the sum of its proper divisors (3623381).

40157527771 is a wasteful number, since it uses less digits than its factorization.

40157527771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623380.

The product of its (nonzero) digits is 480200, while the sum is 46.

The spelling of 40157527771 in words is "forty billion, one hundred fifty-seven million, five hundred twenty-seven thousand, seven hundred seventy-one".