40131036 has 36 divisors (see below), whose sum is σ = 110665464. Its totient is φ = 12160800.

The previous prime is 40131029. The next prime is 40131043. The reversal of 40131036 is 63013104.

40131036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40131029) and next prime (40131043).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40131036² = 3221000100866592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50275 + ... + 51066.

Almost surely, 2^40131036 is an apocalyptic number.

It is an amenable number.

40131036 is an abundant number, since it is smaller than the sum of its proper divisors (70534428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40131036 is a wasteful number, since it uses less digits than its factorization.

40131036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101362 (or 101357 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40131036 is about 6334.9061555796. The cubic root of 40131036 is about 342.3682296307.

The spelling of 40131036 in words is "forty million, one hundred thirty-one thousand, thirty-six".