402440313030 has 128 divisors (see below), whose sum is σ = 1181900989440. Its totient is φ = 85602570240.

The previous prime is 402440313019. The next prime is 402440313043. The reversal of 402440313030 is 30313044204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 315576 + ... + 951035.

It is an arithmetic number, because the mean of its divisors is an integer number (9233601480).

Almost surely, 2^402440313030 is an apocalyptic number.

402440313030 is an abundant number, since it is smaller than the sum of its proper divisors (779460676410).

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

402440313030 is a wasteful number, since it uses less digits than its factorization.

402440313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266734.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 402440313030 its reverse (30313044204), we get a palindrome (432753357234).

The spelling of 402440313030 in words is "four hundred two billion, four hundred forty million, three hundred thirteen thousand, thirty".