40137456 has 40 divisors (see below), whose sum is σ = 103921920. Its totient is φ = 13349056.

The previous prime is 40137437. The next prime is 40137469. The reversal of 40137456 is 65473104.

It is a super-2 number, since 2×40137456² = 3222030748303872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33931 + ... + 35093.

It is an arithmetic number, because the mean of its divisors is an integer number (2598048).

Almost surely, 2^40137456 is an apocalyptic number.

It is an amenable number.

40137456 is an abundant number, since it is smaller than the sum of its proper divisors (63784464).

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

40137456 is a wasteful number, since it uses less digits than its factorization.

40137456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40137456 is about 6335.4128515828. The cubic root of 40137456 is about 342.3864855498.

The spelling of 40137456 in words is "forty million, one hundred thirty-seven thousand, four hundred fifty-six".