101649480 has 32 divisors (see below), whose sum is σ = 304948800. Its totient is φ = 27106496.

The previous prime is 101649473. The next prime is 101649497. The reversal of 101649480 is 84946101.

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, 423420 + ... + 423659.

It is an arithmetic number, because the mean of its divisors is an integer number (9529650).

Almost surely, 2^101649480 is an apocalyptic number.

101649480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101649480 is an abundant number, since it is smaller than the sum of its proper divisors (203299320).

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

101649480 is a wasteful number, since it uses less digits than its factorization.

101649480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847093 (or 847089 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 101649480 is about 10082.1366783039. The cubic root of 101649480 is about 466.6970479087.

The spelling of 101649480 in words is "one hundred one million, six hundred forty-nine thousand, four hundred eighty".