18835932480 has 112 divisors (see below), whose sum is σ = 60353082240. Its totient is φ = 4976805888.

The previous prime is 18835932457. The next prime is 18835932491. The reversal of 18835932480 is 8423953881.

It is a super-2 number, since 2×18835932480² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14637 + ... + 194643.

Almost surely, 2^18835932480 is an apocalyptic number.

18835932480 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 18835932480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30176541120).

18835932480 is an abundant number, since it is smaller than the sum of its proper divisors (41517149760).

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

18835932480 is a wasteful number, since it uses less digits than its factorization.

18835932480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180136 (or 180126 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 18835932480 in words is "eighteen billion, eight hundred thirty-five million, nine hundred thirty-two thousand, four hundred eighty".