402413620 has 48 divisors (see below), whose sum is σ = 967454208. Its totient is φ = 137733120.

The previous prime is 402413603. The next prime is 402413623. The reversal of 402413620 is 26314204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402413591 and 402413600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402413623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92085 + ... + 96355.

It is an arithmetic number, because the mean of its divisors is an integer number (20155296).

Almost surely, 2^402413620 is an apocalyptic number.

It is an amenable number.

402413620 is an abundant number, since it is smaller than the sum of its proper divisors (565040588).

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

402413620 is a wasteful number, since it uses less digits than its factorization.

402413620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 402413620 is about 20060.2497491931. The cubic root of 402413620 is about 738.2853042602.

Adding to 402413620 its reverse (26314204), we get a palindrome (428727824).

The spelling of 402413620 in words is "four hundred two million, four hundred thirteen thousand, six hundred twenty".