40339570 has 8 divisors (see below), whose sum is σ = 72611244. Its totient is φ = 16135824.

The previous prime is 40339553. The next prime is 40339571. The reversal of 40339570 is 7593304.

It can be written as a sum of positive squares in 2 ways, for example, as 34468641 + 5870929 = 5871^2 + 2423^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40339571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016969 + ... + 2016988.

Almost surely, 2^40339570 is an apocalyptic number.

40339570 is a deficient number, since it is larger than the sum of its proper divisors (32271674).

40339570 is a wasteful number, since it uses less digits than its factorization.

40339570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033964.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 40339570 is about 6351.3439522671. The cubic root of 40339570 is about 342.9602245439.

The spelling of 40339570 in words is "forty million, three hundred thirty-nine thousand, five hundred seventy".