402322442140 has 48 divisors (see below), whose sum is σ = 879244632000. Its totient is φ = 154449247232.

The previous prime is 402322442113. The next prime is 402322442149. The reversal of 402322442140 is 41244223204.

It is a super-4 number, since 4×402322442140⁴ (a number of 48 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402322442099 and 402322442108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402322442149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979965 + ... + 2173684.

It is an arithmetic number, because the mean of its divisors is an integer number (18317596500).

Almost surely, 2^402322442140 is an apocalyptic number.

It is an amenable number.

402322442140 is an abundant number, since it is smaller than the sum of its proper divisors (476922189860).

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

402322442140 is a wasteful number, since it uses less digits than its factorization.

402322442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153854 (or 4153852 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402322442140 its reverse (41244223204), we get a palindrome (443566665344).

The spelling of 402322442140 in words is "four hundred two billion, three hundred twenty-two million, four hundred forty-two thousand, one hundred forty".