18227301456 has 240 divisors, whose sum is σ = 59199419328. Its totient is φ = 4790016000.

The previous prime is 18227301437. The next prime is 18227301479. The reversal of 18227301456 is 65410372281.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10119756 + ... + 10121556.

Almost surely, 2^18227301456 is an apocalyptic number.

18227301456 is a gapful number since it is divisible by the number (16) 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 18227301456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29599709664).

18227301456 is an abundant number, since it is smaller than the sum of its proper divisors (40972117872).

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

18227301456 is a wasteful number, since it uses less digits than its factorization.

18227301456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 18227301456 in words is "eighteen billion, two hundred twenty-seven million, three hundred one thousand, four hundred fifty-six".