1268377446 has 48 divisors (see below), whose sum is σ = 3124514736. Its totient is φ = 341074944.

The previous prime is 1268377367. The next prime is 1268377459. The reversal of 1268377446 is 6447738621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1268377395 and 1268377404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121891 + ... + 131886.

It is an arithmetic number, because the mean of its divisors is an integer number (65094057).

Almost surely, 2^1268377446 is an apocalyptic number.

1268377446 is an abundant number, since it is smaller than the sum of its proper divisors (1856137290).

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

1268377446 is a wasteful number, since it uses less digits than its factorization.

1268377446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253813 (or 253806 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 1268377446 is about 35614.2871050369. The cubic root of 1268377446 is about 1082.4707510227.

The spelling of 1268377446 in words is "one billion, two hundred sixty-eight million, three hundred seventy-seven thousand, four hundred forty-six".