40320801 has 32 divisors (see below), whose sum is σ = 62668800. Its totient is φ = 25589520.

The previous prime is 40320781. The next prime is 40320803. The reversal of 40320801 is 10802304.

It is a happy number.

It is not a de Polignac number, because 40320801 - 2⁵ = 40320769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40320803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55720 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (1958400).

Almost surely, 2^40320801 is an apocalyptic number.

It is an amenable number.

40320801 is a deficient number, since it is larger than the sum of its proper divisors (22347999).

40320801 is a wasteful number, since it uses less digits than its factorization.

40320801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40320801 is about 6349.8662190632. The cubic root of 40320801 is about 342.9070260010.

The spelling of 40320801 in words is "forty million, three hundred twenty thousand, eight hundred one".