402044260 has 12 divisors (see below), whose sum is σ = 844292988. Its totient is φ = 160817696.

The previous prime is 402044243. The next prime is 402044267. The reversal of 402044260 is 62440204.

It can be written as a sum of positive squares in 2 ways, for example, as 305061156 + 96983104 = 17466^2 + 9848^2 .

It is not an unprimeable number, because it can be changed into a prime (402044267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10051087 + ... + 10051126.

It is an arithmetic number, because the mean of its divisors is an integer number (70357749).

Almost surely, 2^402044260 is an apocalyptic number.

It is an amenable number.

402044260 is an abundant number, since it is smaller than the sum of its proper divisors (442248728).

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

402044260 is a wasteful number, since it uses less digits than its factorization.

402044260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102222 (or 20102220 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 402044260 is about 20051.0413694651. The cubic root of 402044260 is about 738.0593538777.

Adding to 402044260 its reverse (62440204), we get a palindrome (464484464).

The spelling of 402044260 in words is "four hundred two million, forty-four thousand, two hundred sixty".