402130544 has 20 divisors (see below), whose sum is σ = 791902440. Its totient is φ = 197768640.

The previous prime is 402130523. The next prime is 402130567. The reversal of 402130544 is 445031204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205034 + ... + 206985.

It is an arithmetic number, because the mean of its divisors is an integer number (39595122).

Almost surely, 2^402130544 is an apocalyptic number.

It is an amenable number.

402130544 is a deficient number, since it is larger than the sum of its proper divisors (389771896).

402130544 is a wasteful number, since it uses less digits than its factorization.

402130544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412088 (or 412082 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 402130544 is about 20053.1928629832. The cubic root of 402130544 is about 738.1121491911.

Adding to 402130544 its reverse (445031204), we get a palindrome (847161748).

The spelling of 402130544 in words is "four hundred two million, one hundred thirty thousand, five hundred forty-four".