40117764 has 12 divisors (see below), whose sum is σ = 93608144. Its totient is φ = 13372584.

The previous prime is 40117741. The next prime is 40117783. The reversal of 40117764 is 46771104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671562 + ... + 1671585.

Almost surely, 2^40117764 is an apocalyptic number.

It is an amenable number.

40117764 is an abundant number, since it is smaller than the sum of its proper divisors (53490380).

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

40117764 is a wasteful number, since it uses less digits than its factorization.

40117764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343154 (or 3343152 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 40117764 is about 6333.8585396265. The cubic root of 40117764 is about 342.3304831831.

Adding to 40117764 its reverse (46771104), we get a palindrome (86888868).

The spelling of 40117764 in words is "forty million, one hundred seventeen thousand, seven hundred sixty-four".