402040130 has 16 divisors (see below), whose sum is σ = 724560120. Its totient is φ = 160618752.

The previous prime is 402040117. The next prime is 402040141. The reversal of 402040130 is 31040204.

It can be written as a sum of positive squares in 4 ways, for example, as 268337161 + 133702969 = 16381^2 + 11563^2 .

It is a super-2 number, since 2×402040130² = 323272532260833800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15959 + ... + 32538.

Almost surely, 2^402040130 is an apocalyptic number.

402040130 is a deficient number, since it is larger than the sum of its proper divisors (322519990).

402040130 is a wasteful number, since it uses less digits than its factorization.

402040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49333.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 402040130 is about 20050.9383820309. The cubic root of 402040130 is about 738.0568266306.

Adding to 402040130 its reverse (31040204), we get a palindrome (433080334).

The spelling of 402040130 in words is "four hundred two million, forty thousand, one hundred thirty".