100445924393778 has 32 divisors (see below), whose sum is σ = 203315337614592. Its totient is φ = 33078072315600.

The previous prime is 100445924393767. The next prime is 100445924393813. The reversal of 100445924393778 is 877393429544001.

It is a super-2 number, since 2×100445924393778² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31824873 + ... + 34838403.

It is an arithmetic number, because the mean of its divisors is an integer number (6353604300456).

Almost surely, 2^{100445924393778} is an apocalyptic number.

100445924393778 is an abundant number, since it is smaller than the sum of its proper divisors (102869413220814).

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

100445924393778 is a wasteful number, since it uses less digits than its factorization.

100445924393778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080550.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 100445924393778 in words is "one hundred trillion, four hundred forty-five billion, nine hundred twenty-four million, three hundred ninety-three thousand, seven hundred seventy-eight".