40013762 has 4 divisors (see below), whose sum is σ = 60020646. Its totient is φ = 20006880.

The previous prime is 40013759. The next prime is 40013773. The reversal of 40013762 is 26731004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38056561 + 1957201 = 6169^2 + 1399^2 .

It is a super-2 number, since 2×40013762² = 3202202298785288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003439 + ... + 10003442.

Almost surely, 2^40013762 is an apocalyptic number.

40013762 is a deficient number, since it is larger than the sum of its proper divisors (20006884).

40013762 is a wasteful number, since it uses less digits than its factorization.

40013762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006883.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40013762 is about 6325.6432084018. The cubic root of 40013762 is about 342.0344059865.

Adding to 40013762 its reverse (26731004), we get a palindrome (66744766).

The spelling of 40013762 in words is "forty million, thirteen thousand, seven hundred sixty-two".