1926421344 has 144 divisors (see below), whose sum is σ = 5702860800. Its totient is φ = 616170240.

The previous prime is 1926421337. The next prime is 1926421411. The reversal of 1926421344 is 4431246291.

1926421344 is a `hidden beast` number, since 1 + 9 + 2 + 642 + 1 + 3 + 4 + 4 = 666.

1926421344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1926421344² = 7422198389237532672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1926421299 and 1926421308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1133007 + ... + 1134705.

It is an arithmetic number, because the mean of its divisors is an integer number (39603200).

Almost surely, 2^1926421344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1926421344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851430400).

1926421344 is an abundant number, since it is smaller than the sum of its proper divisors (3776439456).

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

1926421344 is a wasteful number, since it uses less digits than its factorization.

1926421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1862 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1926421344 is about 43891.0166662838. The cubic root of 1926421344 is about 1244.2770583916.

The spelling of 1926421344 in words is "one billion, nine hundred twenty-six million, four hundred twenty-one thousand, three hundred forty-four".