40271157 has 6 divisors (see below), whose sum is σ = 58169462. Its totient is φ = 26847432.

The previous prime is 40271131. The next prime is 40271171. The reversal of 40271157 is 75117204.

It can be written as a sum of positive squares in only one way, i.e., 39765636 + 505521 = 6306^2 + 711^2 .

It is not a de Polignac number, because 40271157 - 2⁶ = 40271093 is a prime.

It is a super-2 number, since 2×40271157² = 3243532172237298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40271157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2237278 + ... + 2237295.

Almost surely, 2^40271157 is an apocalyptic number.

It is an amenable number.

40271157 is a deficient number, since it is larger than the sum of its proper divisors (17898305).

40271157 is a wasteful number, since it uses less digits than its factorization.

40271157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474579 (or 4474576 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 40271157 is about 6345.9559563552. The cubic root of 40271157 is about 342.7662362410.

It can be divided in two parts, 4027 and 1157, that added together give a square (5184 = 72²).

The spelling of 40271157 in words is "forty million, two hundred seventy-one thousand, one hundred fifty-seven".