4021242504 has 16 divisors (see below), whose sum is σ = 10053106320. Its totient is φ = 1340414160.

The previous prime is 4021242493. The next prime is 4021242541. The reversal of 4021242504 is 4052421204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 167551771 = 4021242504 / (4 + 0 + 2 + 1 + 2 + 4 + 2 + 5 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83775862 + ... + 83775909.

It is an arithmetic number, because the mean of its divisors is an integer number (628319145).

Almost surely, 2^4021242504 is an apocalyptic number.

It is an amenable number.

4021242504 is an abundant number, since it is smaller than the sum of its proper divisors (6031863816).

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

4021242504 is a wasteful number, since it uses less digits than its factorization.

4021242504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167551780 (or 167551776 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4021242504 is about 63413.2675707537. The cubic root of 4021242504 is about 1590.2061233507.

Adding to 4021242504 its reverse (4052421204), we get a palindrome (8073663708).

The spelling of 4021242504 in words is "four billion, twenty-one million, two hundred forty-two thousand, five hundred four".