40253504 has 28 divisors (see below), whose sum is σ = 81741264. Its totient is φ = 19657344.

The previous prime is 40253503. The next prime is 40253509. The reversal of 40253504 is 40535204.

It is a self number, because there is not a number n which added to its sum of digits gives 40253504.

It is not an unprimeable number, because it can be changed into a prime (40253503) 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, 4562 + ... + 10065.

Almost surely, 2^40253504 is an apocalyptic number.

It is an amenable number.

40253504 is an abundant number, since it is smaller than the sum of its proper divisors (41487760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40253504 is a wasteful number, since it uses less digits than its factorization.

40253504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14682 (or 14672 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40253504 is about 6344.5649181012. The cubic root of 40253504 is about 342.7161446687.

Adding to 40253504 its reverse (40535204), we get a palindrome (80788708).

The spelling of 40253504 in words is "forty million, two hundred fifty-three thousand, five hundred four".