1268605417450 has 96 divisors (see below), whose sum is σ = 2720056583808. Its totient is φ = 431198208000.

The previous prime is 1268605417421. The next prime is 1268605417481. The reversal of 1268605417450 is 547145068621.

It is a junction number, because it is equal to n+sod(n) for n = 1268605417394 and 1268605417403.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18946030 + ... + 19012870.

It is an arithmetic number, because the mean of its divisors is an integer number (28333922748).

Almost surely, 2^{1268605417450} is an apocalyptic number.

1268605417450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268605417450 is an abundant number, since it is smaller than the sum of its proper divisors (1451451166358).

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

1268605417450 is a wasteful number, since it uses less digits than its factorization.

1268605417450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67328 (or 67323 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 1268605417450 in words is "one trillion, two hundred sixty-eight billion, six hundred five million, four hundred seventeen thousand, four hundred fifty".