402025106444 has 12 divisors (see below), whose sum is σ = 757662700704. Its totient is φ = 185550049104.

The previous prime is 402025106437. The next prime is 402025106459. The reversal of 402025106444 is 444601520204.

It is a super-3 number, since 3×402025106444³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 402025106444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865625972 + ... + 3865626075.

It is an arithmetic number, because the mean of its divisors is an integer number (63138558392).

Almost surely, 2^402025106444 is an apocalyptic number.

It is an amenable number.

402025106444 is a deficient number, since it is larger than the sum of its proper divisors (355637594260).

402025106444 is a wasteful number, since it uses less digits than its factorization.

402025106444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731252064 (or 7731252062 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 402025106444 its reverse (444601520204), we get a palindrome (846626626648).

The spelling of 402025106444 in words is "four hundred two billion, twenty-five million, one hundred six thousand, four hundred forty-four".