4021240051 has 8 divisors (see below), whose sum is σ = 4193753984. Its totient is φ = 3851400960.

The previous prime is 4021240037. The next prime is 4021240057. The reversal of 4021240051 is 1500421204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021240051 - 2⁷ = 4021239923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021240057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665640 + ... + 671653.

It is an arithmetic number, because the mean of its divisors is an integer number (524219248).

Almost surely, 2^4021240051 is an apocalyptic number.

4021240051 is a deficient number, since it is larger than the sum of its proper divisors (172513933).

4021240051 is a wasteful number, since it uses less digits than its factorization.

4021240051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337421.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4021240051 is about 63413.2482293724. The cubic root of 4021240051 is about 1590.2058000032.

Adding to 4021240051 its reverse (1500421204), we get a palindrome (5521661255).

The spelling of 4021240051 in words is "four billion, twenty-one million, two hundred forty thousand, fifty-one".