402200012144 has 160 divisors (see below), whose sum is σ = 931896247680. Its totient is φ = 164523147264.

The previous prime is 402200012107. The next prime is 402200012147. The reversal of 402200012144 is 441210002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402200012147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114357074 + ... + 114360590.

It is an arithmetic number, because the mean of its divisors is an integer number (5824351548).

Almost surely, 2^402200012144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402200012144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465948123840).

402200012144 is an abundant number, since it is smaller than the sum of its proper divisors (529696235536).

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

402200012144 is a wasteful number, since it uses less digits than its factorization.

402200012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955 (or 3949 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 402200012144 its reverse (441210002204), we get a palindrome (843410014348).

The spelling of 402200012144 in words is "four hundred two billion, two hundred million, twelve thousand, one hundred forty-four".