4202421502 has 16 divisors (see below), whose sum is σ = 6319529424. Its totient is φ = 2095920000.

The previous prime is 4202421499. The next prime is 4202421541. The reversal of 4202421502 is 2051242024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970977 + ... + 1973107.

It is an arithmetic number, because the mean of its divisors is an integer number (394970589).

Almost surely, 2^4202421502 is an apocalyptic number.

4202421502 is a deficient number, since it is larger than the sum of its proper divisors (2117107922).

4202421502 is a wasteful number, since it uses less digits than its factorization.

4202421502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4202421502 is about 64826.0865855714. The cubic root of 4202421502 is about 1613.7386595238.

Adding to 4202421502 its reverse (2051242024), we get a palindrome (6253663526).

The spelling of 4202421502 in words is "four billion, two hundred two million, four hundred twenty-one thousand, five hundred two".