40320300 has 36 divisors (see below), whose sum is σ = 116660936. Its totient is φ = 10752000.

The previous prime is 40320289. The next prime is 40320307. The reversal of 40320300 is 302304.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (40320307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66901 + ... + 67500.

Almost surely, 2^40320300 is an apocalyptic number.

It is an amenable number.

40320300 is an abundant number, since it is smaller than the sum of its proper divisors (76340636).

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

40320300 is a wasteful number, since it uses less digits than its factorization.

40320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134418 (or 134411 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 40320300 is about 6349.8267692906. The cubic root of 40320300 is about 342.9056057486.

Adding to 40320300 its reverse (302304), we get a palindrome (40622604).

The spelling of 40320300 in words is "forty million, three hundred twenty thousand, three hundred".