1264484850 has 48 divisors (see below), whose sum is σ = 3143742240. Its totient is φ = 336355200.

The previous prime is 1264484849. The next prime is 1264484861. The reversal of 1264484850 is 584844621.

1264484850 is digitally balanced in base 4 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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, 51045 + ... + 71655.

It is an arithmetic number, because the mean of its divisors is an integer number (65494630).

Almost surely, 2^1264484850 is an apocalyptic number.

1264484850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264484850 is an abundant number, since it is smaller than the sum of its proper divisors (1879257390).

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

1264484850 is a wasteful number, since it uses less digits than its factorization.

1264484850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21035 (or 21030 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 1264484850 is about 35559.5957513580. The cubic root of 1264484850 is about 1081.3622641740.

The spelling of 1264484850 in words is "one billion, two hundred sixty-four million, four hundred eighty-four thousand, eight hundred fifty".