1899282549456 has 80 divisors (see below), whose sum is σ = 5452896438720. Its totient is φ = 632948780160.

The previous prime is 1899282549421. The next prime is 1899282549481. The reversal of 1899282549456 is 6549452829981.

1899282549456 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 2 + 82 + 5 + 494 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386451 + ... + 2391821.

It is an arithmetic number, because the mean of its divisors is an integer number (68161205484).

Almost surely, 2^{1899282549456} is an apocalyptic number.

1899282549456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1899282549456 is an abundant number, since it is smaller than the sum of its proper divisors (3553613889264).

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

1899282549456 is a wasteful number, since it uses less digits than its factorization.

1899282549456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009761 (or 1009749 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 72.

The spelling of 1899282549456 in words is "one trillion, eight hundred ninety-nine billion, two hundred eighty-two million, five hundred forty-nine thousand, four hundred fifty-six".