1481722638860 has 24 divisors (see below), whose sum is σ = 3183980742096. Its totient is φ = 578905588800.

The previous prime is 1481722638857. The next prime is 1481722638887. The reversal of 1481722638860 is 688362271841.

It is a junction number, because it is equal to n+sod(n) for n = 1481722638796 and 1481722638805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861465791 + ... + 861467510.

It is an arithmetic number, because the mean of its divisors is an integer number (132665864254).

Almost surely, 2^{1481722638860} is an apocalyptic number.

1481722638860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481722638860 is an abundant number, since it is smaller than the sum of its proper divisors (1702258103236).

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

1481722638860 is a wasteful number, since it uses less digits than its factorization.

1481722638860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722933353 (or 1722933351 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 1481722638860 in words is "one trillion, four hundred eighty-one billion, seven hundred twenty-two million, six hundred thirty-eight thousand, eight hundred sixty".