1054442043420 has 96 divisors (see below), whose sum is σ = 3032431153920. Its totient is φ = 273602327040.

The previous prime is 1054442043397. The next prime is 1054442043439. The reversal of 1054442043420 is 243402444501.

It is a super-2 number, since 2×1054442043420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366859 + ... + 1497821.

It is an arithmetic number, because the mean of its divisors is an integer number (31587824520).

Almost surely, 2^{1054442043420} is an apocalyptic number.

1054442043420 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 1054442043420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516215576960).

1054442043420 is an abundant number, since it is smaller than the sum of its proper divisors (1977989110500).

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

1054442043420 is a wasteful number, since it uses less digits than its factorization.

1054442043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131395 (or 1131393 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 1054442043420 its reverse (243402444501), we get a palindrome (1297844487921).

The spelling of 1054442043420 in words is "one trillion, fifty-four billion, four hundred forty-two million, forty-three thousand, four hundred twenty".