2485748840 has 32 divisors (see below), whose sum is σ = 5921932680. Its totient is φ = 935811072.

The previous prime is 2485748803. The next prime is 2485748849. The reversal of 2485748840 is 488475842.

It can be written as a sum of positive squares in 4 ways, for example, as 1545590596 + 940158244 = 39314^2 + 30662^2 .

It is a super-2 number, since 2×2485748840² = 12357894591122691200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2485748849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827077 + ... + 1828436.

Almost surely, 2^2485748840 is an apocalyptic number.

2485748840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2485748840 is an abundant number, since it is smaller than the sum of its proper divisors (3436183840).

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

2485748840 is a wasteful number, since it uses less digits than its factorization.

2485748840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655541 (or 3655537 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 50.

The square root of 2485748840 is about 49857.2847234985. The cubic root of 2485748840 is about 1354.6249857470.

The spelling of 2485748840 in words is "two billion, four hundred eighty-five million, seven hundred forty-eight thousand, eight hundred forty".