2485639400 has 24 divisors (see below), whose sum is σ = 5779112070. Its totient is φ = 994255680.

The previous prime is 2485639399. The next prime is 2485639433. The reversal of 2485639400 is 49365842.

It can be written as a sum of positive squares in 3 ways, for example, as 2337335716 + 148303684 = 48346^2 + 12178^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6213899 + ... + 6214298.

Almost surely, 2^2485639400 is an apocalyptic number.

2485639400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2485639400 is an abundant number, since it is smaller than the sum of its proper divisors (3293472670).

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

2485639400 is a wasteful number, since it uses less digits than its factorization.

2485639400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12428213 (or 12428204 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 2485639400 is about 49856.1871787244. The cubic root of 2485639400 is about 1354.6051054422.

The spelling of 2485639400 in words is "two billion, four hundred eighty-five million, six hundred thirty-nine thousand, four hundred".