402441013432 has 8 divisors (see below), whose sum is σ = 754576900200. Its totient is φ = 201220506712.

The previous prime is 402441013421. The next prime is 402441013477. The reversal of 402441013432 is 234310144204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 402441013432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25152563332 + ... + 25152563347.

It is an arithmetic number, because the mean of its divisors is an integer number (94322112525).

Almost surely, 2^402441013432 is an apocalyptic number.

It is an amenable number.

402441013432 is a deficient number, since it is larger than the sum of its proper divisors (352135886768).

402441013432 is a wasteful number, since it uses less digits than its factorization.

402441013432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305126685 (or 50305126681 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402441013432 its reverse (234310144204), we get a palindrome (636751157636).

The spelling of 402441013432 in words is "four hundred two billion, four hundred forty-one million, thirteen thousand, four hundred thirty-two".