402621130 has 16 divisors (see below), whose sum is σ = 733893120. Its totient is φ = 159009552.

The previous prime is 402621119. The next prime is 402621151. The reversal of 402621130 is 31126204.

It is a junction number, because it is equal to n+sod(n) for n = 402621098 and 402621107.

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, 254034 + ... + 255613.

It is an arithmetic number, because the mean of its divisors is an integer number (45868320).

Almost surely, 2^402621130 is an apocalyptic number.

402621130 is a deficient number, since it is larger than the sum of its proper divisors (331271990).

402621130 is a wasteful number, since it uses less digits than its factorization.

402621130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509733.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 402621130 is about 20065.4212514963. The cubic root of 402621130 is about 738.4121847052.

Adding to 402621130 its reverse (31126204), we get a palindrome (433747334).

The spelling of 402621130 in words is "four hundred two million, six hundred twenty-one thousand, one hundred thirty".