1055751072440 has 32 divisors (see below), whose sum is σ = 2377090800000. Its totient is φ = 422006937984.

The previous prime is 1055751072421. The next prime is 1055751072449. The reversal of 1055751072440 is 442701575501.

It is a super-2 number, since 2×1055751072440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055751072449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9113315 + ... + 9228434.

It is an arithmetic number, because the mean of its divisors is an integer number (74284087500).

Almost surely, 2^{1055751072440} is an apocalyptic number.

1055751072440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055751072440 is an abundant number, since it is smaller than the sum of its proper divisors (1321339727560).

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

1055751072440 is a wasteful number, since it uses less digits than its factorization.

1055751072440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343199 (or 18343195 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 1055751072440 in words is "one trillion, fifty-five billion, seven hundred fifty-one million, seventy-two thousand, four hundred forty".