40137436 has 48 divisors (see below), whose sum is σ = 75866112. Its totient is φ = 18547200.

The previous prime is 40137431. The next prime is 40137437. The reversal of 40137436 is 63473104.

40137436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40137436² = 3222027537308192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40137431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 413740 + ... + 413836.

It is an arithmetic number, because the mean of its divisors is an integer number (1580544).

Almost surely, 2^40137436 is an apocalyptic number.

It is an amenable number.

40137436 is a deficient number, since it is larger than the sum of its proper divisors (35728676).

40137436 is a wasteful number, since it uses less digits than its factorization.

40137436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 40137436 is about 6335.4112731535. The cubic root of 40137436 is about 342.3864286808.

It can be divided in two parts, 4013 and 7436, that added together give a square (11449 = 107²).

The spelling of 40137436 in words is "forty million, one hundred thirty-seven thousand, four hundred thirty-six".