1899055234944 has 512 divisors, whose sum is σ = 6551188761600. Its totient is φ = 530328674304.

The previous prime is 1899055234943. The next prime is 1899055234969. The reversal of 1899055234944 is 4494325509981.

1899055234944 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 0 + 552 + 34 + 9 + 44 = 666.

It is a super-2 number, since 2×1899055234944² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899055234943) 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, 355160079 + ... + 355165425.

It is an arithmetic number, because the mean of its divisors is an integer number (12795290550).

Almost surely, 2^{1899055234944} is an apocalyptic number.

1899055234944 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 1899055234944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3275594380800).

1899055234944 is an abundant number, since it is smaller than the sum of its proper divisors (4652133526656).

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

1899055234944 is a wasteful number, since it uses less digits than its factorization.

1899055234944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 1899055234944 in words is "one trillion, eight hundred ninety-nine billion, fifty-five million, two hundred thirty-four thousand, nine hundred forty-four".