4242462021 has 16 divisors (see below), whose sum is σ = 7183004800. Its totient is φ = 2424263904.

The previous prime is 4242462017. The next prime is 4242462023. The reversal of 4242462021 is 1202642424.

It is not a de Polignac number, because 4242462021 - 2² = 4242462017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242462023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11223256 + ... + 11223633.

It is an arithmetic number, because the mean of its divisors is an integer number (448937800).

Almost surely, 2^4242462021 is an apocalyptic number.

It is an amenable number.

4242462021 is a deficient number, since it is larger than the sum of its proper divisors (2940542779).

4242462021 is a wasteful number, since it uses less digits than its factorization.

4242462021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22446905 (or 22446899 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4242462021 is about 65134.1847342853. The cubic root of 4242462021 is about 1618.8476819136.

The spelling of 4242462021 in words is "four billion, two hundred forty-two million, four hundred sixty-two thousand, twenty-one".