100478480 has 40 divisors (see below), whose sum is σ = 238591872. Its totient is φ = 39334784.

The previous prime is 100478461. The next prime is 100478491. The reversal of 100478480 is 84874001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×100478480² = 20191849886220800, which contains 22 as substring.

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, 9602 + ... + 17121.

Almost surely, 2^100478480 is an apocalyptic number.

100478480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100478480 is an abundant number, since it is smaller than the sum of its proper divisors (138113392).

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

100478480 is a wasteful number, since it uses less digits than its factorization.

100478480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26783 (or 26777 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 100478480 is about 10023.8954503726. The cubic root of 100478480 is about 464.8980082319.

The spelling of 100478480 in words is "one hundred million, four hundred seventy-eight thousand, four hundred eighty".