2857431480 has 64 divisors (see below), whose sum is σ = 8867901600. Its totient is φ = 735705600.

The previous prime is 2857431461. The next prime is 2857431497. The reversal of 2857431480 is 841347582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407071 + ... + 414030.

Almost surely, 2^2857431480 is an apocalyptic number.

2857431480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857431480 is an abundant number, since it is smaller than the sum of its proper divisors (6010470120).

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

2857431480 is a wasteful number, since it uses less digits than its factorization.

2857431480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821144 (or 821140 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2857431480 is about 53454.9481339193. The cubic root of 2857431480 is about 1419.0311913170.

The spelling of 2857431480 in words is "two billion, eight hundred fifty-seven million, four hundred thirty-one thousand, four hundred eighty".