4999998420 has 36 divisors (see below), whose sum is σ = 15166662420. Its totient is φ = 1333332864.

The previous prime is 4999998403. The next prime is 4999998433. The reversal of 4999998420 is 248999994.

It can be written as a sum of positive squares in 2 ways, for example, as 1144333584 + 3855664836 = 33828^2 + 62094^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 13888705 + ... + 13889064.

Almost surely, 2^4999998420 is an apocalyptic number.

It is an amenable number.

4999998420 is an abundant number, since it is smaller than the sum of its proper divisors (10166664000).

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

4999998420 is a wasteful number, since it uses less digits than its factorization.

4999998420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777784 (or 27777779 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The square root of 4999998420 is about 70710.6669463667. Note that the first 3 decimals coincide. The cubic root of 4999998420 is about 1709.9757665592.

The spelling of 4999998420 in words is "four billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, four hundred twenty".