40042411236 has 45 divisors (see below), whose sum is σ = 104688189529. Its totient is φ = 13346269776.

The previous prime is 40042411219. The next prime is 40042411267. The reversal of 40042411236 is 63211424004.

It is a happy number.

The square root of 40042411236 is 200106.

It is a perfect power (a square), and thus also a powerful number.

40042411236 is a `hidden beast` number, since 4 + 0 + 0 + 424 + 1 + 1 + 236 = 666.

40042411236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4375822500 + 35666588736 = 66150^2 + 188856^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3596350 + ... + 3607466.

Almost surely, 2^40042411236 is an apocalyptic number.

40042411236 is the 200106-th square number.

It is an amenable number.

40042411236 is an abundant number, since it is smaller than the sum of its proper divisors (64645778293).

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

40042411236 is an frugal number, since it uses more digits than its factorization.

40042411236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22250 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 40042411236 in words is "forty billion, forty-two million, four hundred eleven thousand, two hundred thirty-six".