2485221940 has 48 divisors (see below), whose sum is σ = 5331024720. Its totient is φ = 972840960.

The previous prime is 2485221917. The next prime is 2485221941. The reversal of 2485221940 is 491225842.

It can be written as a sum of positive squares in 8 ways, for example, as 545876496 + 1939345444 = 23364^2 + 44038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2485221940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485221941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443476 + ... + 449044.

It is an arithmetic number, because the mean of its divisors is an integer number (111063015).

Almost surely, 2^2485221940 is an apocalyptic number.

2485221940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2485221940 is an abundant number, since it is smaller than the sum of its proper divisors (2845802780).

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

2485221940 is a wasteful number, since it uses less digits than its factorization.

2485221940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052 (or 6050 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2485221940 is about 49852.0003610688. Note that the first 3 decimals coincide. The cubic root of 2485221940 is about 1354.5292664571.

The spelling of 2485221940 in words is "two billion, four hundred eighty-five million, two hundred twenty-one thousand, nine hundred forty".