402402844484 has 12 divisors (see below), whose sum is σ = 721380709308. Its totient is φ = 196294070400.

The previous prime is 402402844453. The next prime is 402402844513. The reversal of 402402844484 is 484448204204.

It can be written as a sum of positive squares in 2 ways, for example, as 227645402884 + 174757441600 = 477122^2 + 418040^2 .

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, 1226837777 + ... + 1226838104.

It is an arithmetic number, because the mean of its divisors is an integer number (60115059109).

Almost surely, 2^402402844484 is an apocalyptic number.

It is an amenable number.

402402844484 is a deficient number, since it is larger than the sum of its proper divisors (318977864824).

402402844484 is a wasteful number, since it uses less digits than its factorization.

402402844484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453675926 (or 2453675924 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 44.

The spelling of 402402844484 in words is "four hundred two billion, four hundred two million, eight hundred forty-four thousand, four hundred eighty-four".