4021624442 has 8 divisors (see below), whose sum is σ = 6580840032. Its totient is φ = 1828011100.

The previous prime is 4021624429. The next prime is 4021624457. The reversal of 4021624442 is 2444261204.

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

It is a super-2 number, since 2×4021624442² = 32346926304983622728, which contains 22 as substring.

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, 91400534 + ... + 91400577.

It is an arithmetic number, because the mean of its divisors is an integer number (822605004).

Almost surely, 2^4021624442 is an apocalyptic number.

4021624442 is a deficient number, since it is larger than the sum of its proper divisors (2559215590).

4021624442 is a wasteful number, since it uses less digits than its factorization.

4021624442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182801124.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 4021624442 is about 63416.2789983771. The cubic root of 4021624442 is about 1590.2564677337.

Adding to 4021624442 its reverse (2444261204), we get a palindrome (6465885646).

It can be divided in two parts, 402162 and 4442, that added together give a palindrome (406604).

The spelling of 4021624442 in words is "four billion, twenty-one million, six hundred twenty-four thousand, four hundred forty-two".