202204134440 has 128 divisors (see below), whose sum is σ = 586781625600. Its totient is φ = 60851374080.

The previous prime is 202204134413. The next prime is 202204134479. The reversal of 202204134440 is 44431402202.

It is a happy number.

It is a super-2 number, since 2×202204134440² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042589 + ... + 1221228.

It is an arithmetic number, because the mean of its divisors is an integer number (4584231450).

Almost surely, 2^202204134440 is an apocalyptic number.

202204134440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202204134440 is an abundant number, since it is smaller than the sum of its proper divisors (384577491160).

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

202204134440 is a wasteful number, since it uses less digits than its factorization.

202204134440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263875 (or 2263871 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202204134440 its reverse (44431402202), we get a palindrome (246635536642).

The spelling of 202204134440 in words is "two hundred two billion, two hundred four million, one hundred thirty-four thousand, four hundred forty".