1040320401 has 8 divisors (see below), whose sum is σ = 1387243200. Its totient is φ = 693472272.

The previous prime is 1040320399. The next prime is 1040320417. The reversal of 1040320401 is 1040230401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040320401 - 2¹ = 1040320399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040320481) 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, 42175 + ... + 62123.

It is an arithmetic number, because the mean of its divisors is an integer number (173405400).

Almost surely, 2^1040320401 is an apocalyptic number.

It is an amenable number.

1040320401 is a deficient number, since it is larger than the sum of its proper divisors (346922799).

1040320401 is a wasteful number, since it uses less digits than its factorization.

1040320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37335.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1040320401 is about 32253.9982172753. The cubic root of 1040320401 is about 1013.2634371394.

Adding to 1040320401 its reverse (1040230401), we get a palindrome (2080550802).

Subtracting from 1040320401 its reverse (1040230401), we obtain a square (90000 = 300²).

The spelling of 1040320401 in words is "one billion, forty million, three hundred twenty thousand, four hundred one".