2442121400 has 48 divisors (see below), whose sum is σ = 6011936640. Its totient is φ = 919385600.

The previous prime is 2442121361. The next prime is 2442121421. The reversal of 2442121400 is 41212442.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355736 + ... + 362535.

It is an arithmetic number, because the mean of its divisors is an integer number (125248680).

Almost surely, 2^2442121400 is an apocalyptic number.

2442121400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442121400 is an abundant number, since it is smaller than the sum of its proper divisors (3569815240).

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

2442121400 is a wasteful number, since it uses less digits than its factorization.

2442121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718304 (or 718295 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2442121400 is about 49417.8247194269. The cubic root of 2442121400 is about 1346.6531452530.

Adding to 2442121400 its reverse (41212442), we get a palindrome (2483333842).

The spelling of 2442121400 in words is "two billion, four hundred forty-two million, one hundred twenty-one thousand, four hundred".