402434431030 has 16 divisors (see below), whose sum is σ = 766992680640. Its totient is φ = 151504726912.

The previous prime is 402434430997. The next prime is 402434431031. The reversal of 402434431030 is 30134434204.

It is a self number, because there is not a number n which added to its sum of digits gives 402434431030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402434431031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183630510 + ... + 1183630849.

It is an arithmetic number, because the mean of its divisors is an integer number (47937042540).

Almost surely, 2^402434431030 is an apocalyptic number.

402434431030 is a deficient number, since it is larger than the sum of its proper divisors (364558249610).

402434431030 is a wasteful number, since it uses less digits than its factorization.

402434431030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367261383.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 402434431030 its reverse (30134434204), we get a palindrome (432568865234).

The spelling of 402434431030 in words is "four hundred two billion, four hundred thirty-four million, four hundred thirty-one thousand, thirty".