402144334030 has 16 divisors (see below), whose sum is σ = 723888212544. Its totient is φ = 160851420000.

The previous prime is 402144333991. The next prime is 402144334091. The reversal of 402144334030 is 30433441204.

It is a self number, because there is not a number n which added to its sum of digits gives 402144334030.

It is a congruent number.

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, 517221 + ... + 1035280.

It is an arithmetic number, because the mean of its divisors is an integer number (45243013284).

Almost surely, 2^402144334030 is an apocalyptic number.

402144334030 is a deficient number, since it is larger than the sum of its proper divisors (321743878514).

402144334030 is a wasteful number, since it uses less digits than its factorization.

402144334030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578411.

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

Adding to 402144334030 its reverse (30433441204), we get a palindrome (432577775234).

The spelling of 402144334030 in words is "four hundred two billion, one hundred forty-four million, three hundred thirty-four thousand, thirty".