40117712 has 20 divisors (see below), whose sum is σ = 78419460. Its totient is φ = 19880448.

The previous prime is 40117709. The next prime is 40117741. The reversal of 40117712 is 21771104.

It can be written as a sum of positive squares in 2 ways, for example, as 10784656 + 29333056 = 3284^2 + 5416^2 .

It is a super-2 number, since 2×40117712² = 3218861632229888, 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 3 ways as a sum of consecutive naturals, for example, 9287 + ... + 12902.

It is an arithmetic number, because the mean of its divisors is an integer number (3920973).

Almost surely, 2^40117712 is an apocalyptic number.

It is an amenable number.

40117712 is a deficient number, since it is larger than the sum of its proper divisors (38301748).

40117712 is a wasteful number, since it uses less digits than its factorization.

40117712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22310 (or 22304 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 40117712 is about 6333.8544347025. The cubic root of 40117712 is about 342.3303352753.

Adding to 40117712 its reverse (21771104), we get a palindrome (61888816).

The spelling of 40117712 in words is "forty million, one hundred seventeen thousand, seven hundred twelve".