100432421340 has 24 divisors (see below), whose sum is σ = 281210779920. Its totient is φ = 26781979008.

The previous prime is 100432421333. The next prime is 100432421351. The reversal of 100432421340 is 43124234001.

It is a self number, because there is not a number n which added to its sum of digits gives 100432421340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836936785 + ... + 836936904.

It is an arithmetic number, because the mean of its divisors is an integer number (11717115830).

Almost surely, 2^100432421340 is an apocalyptic number.

100432421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100432421340 is an abundant number, since it is smaller than the sum of its proper divisors (180778358580).

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

100432421340 is a wasteful number, since it uses less digits than its factorization.

100432421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673873701 (or 1673873699 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100432421340 its reverse (43124234001), we get a palindrome (143556655341).

The spelling of 100432421340 in words is "one hundred billion, four hundred thirty-two million, four hundred twenty-one thousand, three hundred forty".