402234131344 has 10 divisors (see below), whose sum is σ = 779328629510. Its totient is φ = 201117065664.

The previous prime is 402234131317. The next prime is 402234131353. The reversal of 402234131344 is 443131432204.

It can be written as a sum of positive squares in only one way, i.e., 298815289600 + 103418841744 = 546640^2 + 321588^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12569816589 + ... + 12569816620.

It is an arithmetic number, because the mean of its divisors is an integer number (77932862951).

Almost surely, 2^402234131344 is an apocalyptic number.

It is an amenable number.

402234131344 is a deficient number, since it is larger than the sum of its proper divisors (377094498166).

402234131344 is a wasteful number, since it uses less digits than its factorization.

402234131344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25139633217 (or 25139633211 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 402234131344 its reverse (443131432204), we get a palindrome (845365563548).

The spelling of 402234131344 in words is "four hundred two billion, two hundred thirty-four million, one hundred thirty-one thousand, three hundred forty-four".