18410482779780 has 384 divisors, whose sum is σ = 64872389836800. Its totient is φ = 3797995309056.

The previous prime is 18410482779751. The next prime is 18410482779809. The reversal of 18410482779780 is 8797728401481.

It is an interprime number because it is at equal distance from previous prime (18410482779751) and next prime (18410482779809).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44220826 + ... + 44635214.

It is an arithmetic number, because the mean of its divisors is an integer number (168938515200).

Almost surely, 2^{18410482779780} is an apocalyptic number.

18410482779780 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 18410482779780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32436194918400).

18410482779780 is an abundant number, since it is smaller than the sum of its proper divisors (46461907057020).

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

18410482779780 is a wasteful number, since it uses less digits than its factorization.

18410482779780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414603 (or 414601 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 66.

The spelling of 18410482779780 in words is "eighteen trillion, four hundred ten billion, four hundred eighty-two million, seven hundred seventy-nine thousand, seven hundred eighty".