100403553362440 has 32 divisors (see below), whose sum is σ = 225909507617280. Its totient is φ = 40161152446912.

The previous prime is 100403553362327. The next prime is 100403553362461. The reversal of 100403553362440 is 44263355304001.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 100403553362393 and 100403553362402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299432 + ... + 14355991.

It is an arithmetic number, because the mean of its divisors is an integer number (7059672113040).

Almost surely, 2^{100403553362440} is an apocalyptic number.

100403553362440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100403553362440 is an abundant number, since it is smaller than the sum of its proper divisors (125505954254840).

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

100403553362440 is a wasteful number, since it uses less digits than its factorization.

100403553362440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16806141 (or 16806137 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 100403553362440 in words is "one hundred trillion, four hundred three billion, five hundred fifty-three million, three hundred sixty-two thousand, four hundred forty".