2449920100 has 18 divisors (see below), whose sum is σ = 5316326834. Its totient is φ = 979968000.

The previous prime is 2449920037. The next prime is 2449920101. The reversal of 2449920100 is 10299442.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3232804 + 2446687296 = 1798^2 + 49464^2 .

It is not an unprimeable number, because it can be changed into a prime (2449920101) 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 5 ways as a sum of consecutive naturals, for example, 12249501 + ... + 12249700.

Almost surely, 2^2449920100 is an apocalyptic number.

2449920100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2449920100 is an abundant number, since it is smaller than the sum of its proper divisors (2866406734).

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

2449920100 is a wasteful number, since it uses less digits than its factorization.

2449920100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24499215 (or 24499208 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2449920100 is about 49496.6675645947. The cubic root of 2449920100 is about 1348.0850948755.

The spelling of 2449920100 in words is "two billion, four hundred forty-nine million, nine hundred twenty thousand, one hundred".