2421027798 has 16 divisors (see below), whose sum is σ = 5533777920. Its totient is φ = 691722216.

The previous prime is 2421027767. The next prime is 2421027799. The reversal of 2421027798 is 8977201242.

It is a super-2 number, since 2×2421027798² = 11722751197377457608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 57643519 = 2421027798 / (2 + 4 + 2 + 1 + 0 + 2 + 7 + 7 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421027799) 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 7 ways as a sum of consecutive naturals, for example, 28821718 + ... + 28821801.

It is an arithmetic number, because the mean of its divisors is an integer number (345861120).

Almost surely, 2^2421027798 is an apocalyptic number.

2421027798 is an abundant number, since it is smaller than the sum of its proper divisors (3112750122).

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

2421027798 is a wasteful number, since it uses less digits than its factorization.

2421027798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57643531.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 2421027798 is about 49203.9408787548. The cubic root of 2421027798 is about 1342.7647302774.

The spelling of 2421027798 in words is "two billion, four hundred twenty-one million, twenty-seven thousand, seven hundred ninety-eight".