1273571640080 has 120 divisors (see below), whose sum is σ = 3127300422552. Its totient is φ = 482277040128.

The previous prime is 1273571640067. The next prime is 1273571640139. The reversal of 1273571640080 is 800461753721.

It can be written as a sum of positive squares in 4 ways, for example, as 32388481024 + 1241183159056 = 179968^2 + 1114084^2 .

It is a super-2 number, since 2×1273571640080² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43103072 + ... + 43132608.

Almost surely, 2^{1273571640080} is an apocalyptic number.

1273571640080 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 1273571640080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563650211276).

1273571640080 is an abundant number, since it is smaller than the sum of its proper divisors (1853728782472).

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

1273571640080 is a wasteful number, since it uses less digits than its factorization.

1273571640080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31081 (or 31056 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 1273571640080 in words is "one trillion, two hundred seventy-three billion, five hundred seventy-one million, six hundred forty thousand, eighty".