40107739 has 8 divisors (see below), whose sum is σ = 45878240. Its totient is φ = 34347456.

The previous prime is 40107731. The next prime is 40107751. The reversal of 40107739 is 93770104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40107739 - 2³ = 40107731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40107739.

It is not an unprimeable number, because it can be changed into a prime (40107731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9967 + ... + 13399.

It is an arithmetic number, because the mean of its divisors is an integer number (5734780).

Almost surely, 2^40107739 is an apocalyptic number.

40107739 is a deficient number, since it is larger than the sum of its proper divisors (5770501).

40107739 is a wasteful number, since it uses less digits than its factorization.

40107739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 40107739 is about 6333.0671084396. The cubic root of 40107739 is about 342.3019658992.

The spelling of 40107739 in words is "forty million, one hundred seven thousand, seven hundred thirty-nine".