40504274 has 4 divisors (see below), whose sum is σ = 60756414. Its totient is φ = 20252136.

The previous prime is 40504253. The next prime is 40504297. The reversal of 40504274 is 47240504.

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., 32410249 + 8094025 = 5693^2 + 2845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126067 + ... + 10126070.

Almost surely, 2^40504274 is an apocalyptic number.

40504274 is a deficient number, since it is larger than the sum of its proper divisors (20252140).

40504274 is a wasteful number, since it uses less digits than its factorization.

40504274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20252139.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40504274 is about 6364.2968189738. The cubic root of 40504274 is about 343.4263526094.

Adding to 40504274 its reverse (47240504), we get a palindrome (87744778).

The spelling of 40504274 in words is "forty million, five hundred four thousand, two hundred seventy-four".