1055794998440 has 256 divisors, whose sum is σ = 2961860428800. Its totient is φ = 329803923456.

The previous prime is 1055794998341. The next prime is 1055794998457. The reversal of 1055794998440 is 448994975501.

It is a super-2 number, since 2×1055794998440² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 137344277 + ... + 137351963.

It is an arithmetic number, because the mean of its divisors is an integer number (11569767300).

Almost surely, 2^{1055794998440} is an apocalyptic number.

1055794998440 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 1055794998440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480930214400).

1055794998440 is an abundant number, since it is smaller than the sum of its proper divisors (1906065430360).

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

1055794998440 is a wasteful number, since it uses less digits than its factorization.

1055794998440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8200 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 1055794998440 in words is "one trillion, fifty-five billion, seven hundred ninety-four million, nine hundred ninety-eight thousand, four hundred forty".