2421555042 has 32 divisors (see below), whose sum is σ = 5019094080. Its totient is φ = 777954240.

The previous prime is 2421555041. The next prime is 2421555061. The reversal of 2421555042 is 2405551242.

It is not an unprimeable number, because it can be changed into a prime (2421555041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87168 + ... + 111540.

It is an arithmetic number, because the mean of its divisors is an integer number (156846690).

Almost surely, 2^2421555042 is an apocalyptic number.

2421555042 is an abundant number, since it is smaller than the sum of its proper divisors (2597539038).

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

2421555042 is a wasteful number, since it uses less digits than its factorization.

2421555042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24978.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2421555042 is about 49209.2983286696. The cubic root of 2421555042 is about 1342.8621975957.

The spelling of 2421555042 in words is "two billion, four hundred twenty-one million, five hundred fifty-five thousand, forty-two".