100481840 has 20 divisors (see below), whose sum is σ = 233620464. Its totient is φ = 40192704.

The previous prime is 100481833. The next prime is 100481851. The reversal of 100481840 is 48184001.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627932 + ... + 628091.

Almost surely, 2^100481840 is an apocalyptic number.

100481840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100481840 is an abundant number, since it is smaller than the sum of its proper divisors (133138624).

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

100481840 is a wasteful number, since it uses less digits than its factorization.

100481840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256036 (or 1256030 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 100481840 is about 10024.0630484849. The cubic root of 100481840 is about 464.9031902367.

The spelling of 100481840 in words is "one hundred million, four hundred eighty-one thousand, eight hundred forty".