1284264456 has 32 divisors (see below), whose sum is σ = 3399524640. Its totient is φ = 402906368.

The previous prime is 1284264451. The next prime is 1284264467. The reversal of 1284264456 is 6544624821.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1284264451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573446 + ... + 1574261.

It is an arithmetic number, because the mean of its divisors is an integer number (106235145).

Almost surely, 2^1284264456 is an apocalyptic number.

It is an amenable number.

1284264456 is an abundant number, since it is smaller than the sum of its proper divisors (2115260184).

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

1284264456 is a wasteful number, since it uses less digits than its factorization.

1284264456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147733 (or 3147729 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 1284264456 is about 35836.6356679865. The cubic root of 1284264456 is about 1086.9714928060.

The spelling of 1284264456 in words is "one billion, two hundred eighty-four million, two hundred sixty-four thousand, four hundred fifty-six".