243002403402 has 32 divisors (see below), whose sum is σ = 537654495744. Its totient is φ = 72599948400.

The previous prime is 243002403389. The next prime is 243002403437. The reversal of 243002403402 is 204304200342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25923868 + ... + 25933239.

It is an arithmetic number, because the mean of its divisors is an integer number (16801702992).

Almost surely, 2^243002403402 is an apocalyptic number.

243002403402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243002403402 is an abundant number, since it is smaller than the sum of its proper divisors (294652092342).

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

243002403402 is a wasteful number, since it uses less digits than its factorization.

243002403402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51857194.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 243002403402 its reverse (204304200342), we get a palindrome (447306603744).

The spelling of 243002403402 in words is "two hundred forty-three billion, two million, four hundred three thousand, four hundred two".