40504259 has 4 divisors (see below), whose sum is σ = 41810880. Its totient is φ = 39197640.

The previous prime is 40504253. The next prime is 40504297. The reversal of 40504259 is 95240504.

It is a happy number.

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

It is not a de Polignac number, because 40504259 - 2⁸ = 40504003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40504253) 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, 653264 + ... + 653325.

It is an arithmetic number, because the mean of its divisors is an integer number (10452720).

Almost surely, 2^40504259 is an apocalyptic number.

40504259 is a deficient number, since it is larger than the sum of its proper divisors (1306621).

40504259 is a wasteful number, since it uses less digits than its factorization.

40504259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306620.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40504259 is about 6364.2956405246. The cubic root of 40504259 is about 343.4263102156.

The spelling of 40504259 in words is "forty million, five hundred four thousand, two hundred fifty-nine".