1850455449216 has 512 divisors, whose sum is σ = 6365250432000. Its totient is φ = 523288719360.

The previous prime is 1850455449211. The next prime is 1850455449233. The reversal of 1850455449216 is 6129445540581.

It is a happy number.

1850455449216 is a `hidden beast` number, since 1 + 8 + 5 + 0 + 4 + 5 + 544 + 92 + 1 + 6 = 666.

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 (1850455449211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48375250 + ... + 48413486.

It is an arithmetic number, because the mean of its divisors is an integer number (12432129750).

Almost surely, 2^{1850455449216} is an apocalyptic number.

1850455449216 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 1850455449216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3182625216000).

1850455449216 is an abundant number, since it is smaller than the sum of its proper divisors (4514794982784).

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

1850455449216 is a wasteful number, since it uses less digits than its factorization.

1850455449216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38357 (or 38339 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 1850455449216 in words is "one trillion, eight hundred fifty billion, four hundred fifty-five million, four hundred forty-nine thousand, two hundred sixteen".