1818350456832 has 1040 divisors, whose sum is σ = 6740189111040. Its totient is φ = 475655307264.

The previous prime is 1818350456831. The next prime is 1818350456833. The reversal of 1818350456832 is 2386540538181.

1818350456832 is a `hidden beast` number, since 1 + 8 + 1 + 8 + 3 + 504 + 56 + 83 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1818350456831) and next prime (1818350456833).

It is a super-2 number, since 2×1818350456832² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1818350456831) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6913879933 + ... + 6913880195.

Almost surely, 2^{1818350456832} is an apocalyptic number.

1818350456832 is a gapful number since it is divisible by the number (12) 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 1818350456832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370094555520).

1818350456832 is an abundant number, since it is smaller than the sum of its proper divisors (4921838654208).

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

1818350456832 is a wasteful number, since it uses less digits than its factorization.

1818350456832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 1818350456832 in words is "one trillion, eight hundred eighteen billion, three hundred fifty million, four hundred fifty-six thousand, eight hundred thirty-two".