109900644480 has 640 divisors, whose sum is σ = 442037122560. Its totient is φ = 25778995200.

The previous prime is 109900644479. The next prime is 109900644577. The reversal of 109900644480 is 84446009901.

109900644480 is a `hidden beast` number, since 109 + 9 + 0 + 0 + 64 + 4 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17674332 + ... + 17680548.

It is an arithmetic number, because the mean of its divisors is an integer number (690683004).

Almost surely, 2^109900644480 is an apocalyptic number.

109900644480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109900644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221018561280).

109900644480 is an abundant number, since it is smaller than the sum of its proper divisors (332136478080).

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

109900644480 is a wasteful number, since it uses less digits than its factorization.

109900644480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290 (or 6269 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 109900644480 in words is "one hundred nine billion, nine hundred million, six hundred forty-four thousand, four hundred eighty".