40256118 has 96 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 10600128.

The previous prime is 40256101. The next prime is 40256123. The reversal of 40256118 is 81165204.

40256118 is a `hidden beast` number, since 40 + 2 + 5 + 611 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40256091 and 40256100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83803 + ... + 84281.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^40256118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40256118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53913600).

40256118 is an abundant number, since it is smaller than the sum of its proper divisors (67571082).

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

40256118 is a wasteful number, since it uses less digits than its factorization.

40256118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 40256118 is about 6344.7709178504. The cubic root of 40256118 is about 342.7235629927.

The spelling of 40256118 in words is "forty million, two hundred fifty-six thousand, one hundred eighteen".