1260222481840 has 60 divisors (see below), whose sum is σ = 3408387447456. Its totient is φ = 432076278144.

The previous prime is 1260222481807. The next prime is 1260222481841. The reversal of 1260222481840 is 481842220621.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1260222481793 and 1260222481802.

It is not an unprimeable number, because it can be changed into a prime (1260222481841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160738744 + ... + 160746583.

Almost surely, 2^{1260222481840} is an apocalyptic number.

1260222481840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260222481840 is an abundant number, since it is smaller than the sum of its proper divisors (2148164965616).

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

1260222481840 is a wasteful number, since it uses less digits than its factorization.

1260222481840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321485354 (or 321485341 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 1260222481840 in words is "one trillion, two hundred sixty billion, two hundred twenty-two million, four hundred eighty-one thousand, eight hundred forty".