40320010 has 32 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 15417792.

The previous prime is 40320001. The next prime is 40320011. The reversal of 40320010 is 1002304.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (40320011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20907 + ... + 22753.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^40320010 is an apocalyptic number.

40320010 is a deficient number, since it is larger than the sum of its proper divisors (35521910).

40320010 is a wasteful number, since it uses less digits than its factorization.

40320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40320010 is about 6349.8039339810. The cubic root of 40320010 is about 342.9047836411.

Adding to 40320010 its reverse (1002304), we get a palindrome (41322314).

The spelling of 40320010 in words is "forty million, three hundred twenty thousand, ten".