2785530450 has 48 divisors (see below), whose sum is σ = 6914244960. Its totient is φ = 742149120.

The previous prime is 2785530431. The next prime is 2785530457. The reversal of 2785530450 is 540355872.

It is a junction number, because it is equal to n+sod(n) for n = 2785530399 and 2785530408.

It is not an unprimeable number, because it can be changed into a prime (2785530457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174921 + ... + 190179.

It is an arithmetic number, because the mean of its divisors is an integer number (144046770).

Almost surely, 2^2785530450 is an apocalyptic number.

2785530450 is an abundant number, since it is smaller than the sum of its proper divisors (4128714510).

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

2785530450 is a wasteful number, since it uses less digits than its factorization.

2785530450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491 (or 16486 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 2785530450 is about 52778.1247298538. The cubic root of 2785530450 is about 1407.0276654716.

It can be divided in two parts, 2785530 and 450, that added together give a triangular number (2785980 = T₂₃₆₀).

The spelling of 2785530450 in words is "two billion, seven hundred eighty-five million, five hundred thirty thousand, four hundred fifty".