40313500 has 24 divisors (see below), whose sum is σ = 88045776. Its totient is φ = 16125200.

The previous prime is 40313437. The next prime is 40313501. The reversal of 40313500 is 531304.

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, 39814 + ... + 40813.

It is an arithmetic number, because the mean of its divisors is an integer number (3668574).

Almost surely, 2^40313500 is an apocalyptic number.

It is an amenable number.

40313500 is an abundant number, since it is smaller than the sum of its proper divisors (47732276).

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

40313500 is a wasteful number, since it uses less digits than its factorization.

40313500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80646 (or 80634 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 40313500 is about 6349.2912990349. The cubic root of 40313500 is about 342.8863277074.

Adding to 40313500 its reverse (531304), we get a palindrome (40844804).

The spelling of 40313500 in words is "forty million, three hundred thirteen thousand, five hundred".