1268522444 has 24 divisors (see below), whose sum is σ = 2544251808. Its totient is φ = 542108160.

The previous prime is 1268522419. The next prime is 1268522459. The reversal of 1268522444 is 4442258621.

It is a super-4 number, since 4×1268522444⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268522398 and 1268522407.

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, 54287 + ... + 74054.

It is an arithmetic number, because the mean of its divisors is an integer number (106010492).

Almost surely, 2^1268522444 is an apocalyptic number.

1268522444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1268522444 is an abundant number, since it is smaller than the sum of its proper divisors (1275729364).

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

1268522444 is a wasteful number, since it uses less digits than its factorization.

1268522444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128705 (or 128703 counting only the distinct ones).

The product of its digits is 122880, while the sum is 38.

The square root of 1268522444 is about 35616.3227186637. The cubic root of 1268522444 is about 1082.5119979754.

The spelling of 1268522444 in words is "one billion, two hundred sixty-eight million, five hundred twenty-two thousand, four hundred forty-four".