18255654480 has 480 divisors, whose sum is σ = 70534914048. Its totient is φ = 3821644800.

The previous prime is 18255654421. The next prime is 18255654491. The reversal of 18255654480 is 8445655281.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 95 ways as a sum of consecutive naturals, for example, 18800395 + ... + 18801365.

Almost surely, 2^18255654480 is an apocalyptic number.

18255654480 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 18255654480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35267457024).

18255654480 is an abundant number, since it is smaller than the sum of its proper divisors (52279259568).

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

18255654480 is a wasteful number, since it uses less digits than its factorization.

18255654480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 18255654480 in words is "eighteen billion, two hundred fifty-five million, six hundred fifty-four thousand, four hundred eighty".