402001300 has 36 divisors (see below), whose sum is σ = 895927900. Its totient is φ = 156453120.

The previous prime is 402001289. The next prime is 402001307. The reversal of 402001300 is 3100204.

It can be written as a sum of positive squares in 6 ways, for example, as 4477456 + 397523844 = 2116^2 + 19938^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402001307) 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, 50625 + ... + 58024.

Almost surely, 2^402001300 is an apocalyptic number.

It is an amenable number.

402001300 is an abundant number, since it is smaller than the sum of its proper divisors (493926600).

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

402001300 is a wasteful number, since it uses less digits than its factorization.

402001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108700 (or 108693 counting only the distinct ones).

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

The square root of 402001300 is about 20049.9700747906. The cubic root of 402001300 is about 738.0330647661.

Adding to 402001300 its reverse (3100204), we get a palindrome (405101504).

The spelling of 402001300 in words is "four hundred two million, one thousand, three hundred".