102784405430 has 64 divisors (see below), whose sum is σ = 216603763200. Its totient is φ = 34381960704.

The previous prime is 102784405363. The next prime is 102784405463. The reversal of 102784405430 is 34504487201.

It is a super-2 number, since 2×102784405430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2711246 + ... + 2748894.

It is an arithmetic number, because the mean of its divisors is an integer number (3384433800).

Almost surely, 2^102784405430 is an apocalyptic number.

102784405430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102784405430 is an abundant number, since it is smaller than the sum of its proper divisors (113819357770).

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

102784405430 is a wasteful number, since it uses less digits than its factorization.

102784405430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38613.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 102784405430 in words is "one hundred two billion, seven hundred eighty-four million, four hundred five thousand, four hundred thirty".