402442244190 has 96 divisors (see below), whose sum is σ = 1196895338496. Its totient is φ = 91904725440.

The previous prime is 402442244189. The next prime is 402442244209. The reversal of 402442244190 is 91442244204.

402442244190 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 422 + 44 + 190 = 666.

It is a super-2 number, since 2×402442244190² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423075 + ... + 991905.

It is an arithmetic number, because the mean of its divisors is an integer number (12467659776).

Almost surely, 2^402442244190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402442244190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598447669248).

402442244190 is an abundant number, since it is smaller than the sum of its proper divisors (794453094306).

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

402442244190 is a wasteful number, since it uses less digits than its factorization.

402442244190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569974 (or 569971 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 402442244190 its reverse (91442244204), we get a palindrome (493884488394).

The spelling of 402442244190 in words is "four hundred two billion, four hundred forty-two million, two hundred forty-four thousand, one hundred ninety".