402000402244 has 24 divisors (see below), whose sum is σ = 831724971840. Its totient is φ = 166344993696.

The previous prime is 402000402239. The next prime is 402000402277. The reversal of 402000402244 is 442204000204.

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, 247536382 + ... + 247538005.

It is an arithmetic number, because the mean of its divisors is an integer number (34655207160).

Almost surely, 2^402000402244 is an apocalyptic number.

It is an amenable number.

402000402244 is an abundant number, since it is smaller than the sum of its proper divisors (429724569596).

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

402000402244 is a wasteful number, since it uses less digits than its factorization.

402000402244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495074427 (or 495074425 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 402000402244 its reverse (442204000204), we get a palindrome (844204402448).

The spelling of 402000402244 in words is "four hundred two billion, four hundred two thousand, two hundred forty-four".