40313504 has 48 divisors (see below), whose sum is σ = 98957376. Its totient is φ = 15705600.

The previous prime is 40313501. The next prime is 40313521. The reversal of 40313504 is 40531304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5717 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (2061612).

Almost surely, 2^40313504 is an apocalyptic number.

40313504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40313504 is an abundant number, since it is smaller than the sum of its proper divisors (58643872).

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

40313504 is a wasteful number, since it uses less digits than its factorization.

40313504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16389 (or 16381 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40313504 is about 6349.2916140307. The cubic root of 40313504 is about 342.8863390481.

Adding to 40313504 its reverse (40531304), we get a palindrome (80844808).

The spelling of 40313504 in words is "forty million, three hundred thirteen thousand, five hundred four".