4021672424 has 64 divisors (see below), whose sum is σ = 9475522560. Its totient is φ = 1554517440.

The previous prime is 4021672397. The next prime is 4021672427. The reversal of 4021672424 is 4242761204.

It is not an unprimeable number, because it can be changed into a prime (4021672427) 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, 52529 + ... + 103935.

It is an arithmetic number, because the mean of its divisors is an integer number (148055040).

Almost surely, 2^4021672424 is an apocalyptic number.

4021672424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021672424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4737761280).

4021672424 is an abundant number, since it is smaller than the sum of its proper divisors (5453850136).

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

4021672424 is a wasteful number, since it uses less digits than its factorization.

4021672424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51558 (or 51554 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 4021672424 is about 63416.6573070514. The cubic root of 4021672424 is about 1590.2627921584.

The spelling of 4021672424 in words is "four billion, twenty-one million, six hundred seventy-two thousand, four hundred twenty-four".