18610482464 has 192 divisors, whose sum is σ = 44590694400. Its totient is φ = 7478231040.

The previous prime is 18610482419. The next prime is 18610482469. The reversal of 18610482464 is 46428401681.

It is a super-2 number, since 2×18610482464² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18610482469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41448512 + ... + 41448960.

It is an arithmetic number, because the mean of its divisors is an integer number (232243200).

Almost surely, 2^18610482464 is an apocalyptic number.

18610482464 is a gapful number since it is divisible by the number (14) 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 18610482464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22295347200).

18610482464 is an abundant number, since it is smaller than the sum of its proper divisors (25980211936).

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

18610482464 is a wasteful number, since it uses less digits than its factorization.

18610482464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 18610482464 in words is "eighteen billion, six hundred ten million, four hundred eighty-two thousand, four hundred sixty-four".