100402544450 has 96 divisors (see below), whose sum is σ = 206034312960. Its totient is φ = 36169689600.

The previous prime is 100402544423. The next prime is 100402544461. The reversal of 100402544450 is 54445204001.

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 47 ways as a sum of consecutive naturals, for example, 10107086 + ... + 10117014.

It is an arithmetic number, because the mean of its divisors is an integer number (2146190760).

Almost surely, 2^100402544450 is an apocalyptic number.

100402544450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100402544450 is an abundant number, since it is smaller than the sum of its proper divisors (105631768510).

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

100402544450 is a wasteful number, since it uses less digits than its factorization.

100402544450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10332 (or 10327 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 100402544450 its reverse (54445204001), we get a palindrome (154847748451).

The spelling of 100402544450 in words is "one hundred billion, four hundred two million, five hundred forty-four thousand, four hundred fifty".