1949464280 has 16 divisors (see below), whose sum is σ = 4386294720. Its totient is φ = 779785696.

The previous prime is 1949464259. The next prime is 1949464333. The reversal of 1949464280 is 824649491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24368264 + ... + 24368343.

It is an arithmetic number, because the mean of its divisors is an integer number (274143420).

Almost surely, 2^1949464280 is an apocalyptic number.

1949464280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949464280 is an abundant number, since it is smaller than the sum of its proper divisors (2436830440).

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

1949464280 is a wasteful number, since it uses less digits than its factorization.

1949464280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48736618 (or 48736614 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1949464280 is about 44152.7380804407. The cubic root of 1949464280 is about 1249.2185579805.

The spelling of 1949464280 in words is "one billion, nine hundred forty-nine million, four hundred sixty-four thousand, two hundred eighty".