40404074 has 8 divisors (see below), whose sum is σ = 62244228. Its totient is φ = 19656000.

The previous prime is 40404043. The next prime is 40404097. The reversal of 40404074 is 47040404.

It can be written as a sum of positive squares in 2 ways, for example, as 30525625 + 9878449 = 5525^2 + 3143^2 .

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

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, 272927 + ... + 273074.

Almost surely, 2^40404074 is an apocalyptic number.

40404074 is a deficient number, since it is larger than the sum of its proper divisors (21840154).

40404074 is a wasteful number, since it uses less digits than its factorization.

40404074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546040.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40404074 is about 6356.4199043172. The cubic root of 40404074 is about 343.1429279078.

Adding to 40404074 its reverse (47040404), we get a palindrome (87444478).

The spelling of 40404074 in words is "forty million, four hundred four thousand, seventy-four".