1055272458240 has 3840 divisors, whose sum is σ = 5370182737920. Its totient is φ = 191102976000.

The previous prime is 1055272458217. The next prime is 1055272458269. The reversal of 1055272458240 is 428542725501.

1055272458240 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 2 + 7 + 24 + 582 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (3840).

It is a super-2 number, since 2×1055272458240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 25738352620 + ... + 25738352660.

It is an arithmetic number, because the mean of its divisors is an integer number (1398485088).

Almost surely, 2^{1055272458240} is an apocalyptic number.

1055272458240 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 1055272458240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2685091368960).

1055272458240 is an abundant number, since it is smaller than the sum of its proper divisors (4314910279680).

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

1055272458240 is a wasteful number, since it uses less digits than its factorization.

1055272458240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 1055272458240 in words is "one trillion, fifty-five billion, two hundred seventy-two million, four hundred fifty-eight thousand, two hundred forty".