402242004440 has 32 divisors (see below), whose sum is σ = 924300780480. Its totient is φ = 157473464832.

The previous prime is 402242004431. The next prime is 402242004457. The reversal of 402242004440 is 44400242204.

It is a congruent number.

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, 106977377 + ... + 106981136.

It is an arithmetic number, because the mean of its divisors is an integer number (28884399390).

Almost surely, 2^402242004440 is an apocalyptic number.

402242004440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402242004440 is an abundant number, since it is smaller than the sum of its proper divisors (522058776040).

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

402242004440 is a wasteful number, since it uses less digits than its factorization.

402242004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213958571 (or 213958567 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 402242004440 its reverse (44400242204), we get a palindrome (446642246644).

The spelling of 402242004440 in words is "four hundred two billion, two hundred forty-two million, four thousand, four hundred forty".