100479840 has 48 divisors (see below), whose sum is σ = 316513008. Its totient is φ = 26794496.

The previous prime is 100479823. The next prime is 100479851. The reversal of 100479840 is 48974001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104187 + ... + 105146.

It is an arithmetic number, because the mean of its divisors is an integer number (6594021).

Almost surely, 2^100479840 is an apocalyptic number.

100479840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100479840 is an abundant number, since it is smaller than the sum of its proper divisors (216033168).

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

100479840 is a wasteful number, since it uses less digits than its factorization.

100479840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209351 (or 209343 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 100479840 is about 10023.9632880413. The cubic root of 100479840 is about 464.9001057239.

The spelling of 100479840 in words is "one hundred million, four hundred seventy-nine thousand, eight hundred forty".