2111442432 has 160 divisors (see below), whose sum is σ = 6498226944. Its totient is φ = 602112000.

The previous prime is 2111442419. The next prime is 2111442451. The reversal of 2111442432 is 2342441112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283557 + ... + 290907.

Almost surely, 2^2111442432 is an apocalyptic number.

2111442432 is a gapful number since it is divisible by the number (22) 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 2111442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249113472).

2111442432 is an abundant number, since it is smaller than the sum of its proper divisors (4386784512).

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

2111442432 is a wasteful number, since it uses less digits than its factorization.

2111442432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7384 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 2111442432 is about 45950.4345137236. The cubic root of 2111442432 is about 1282.9008168528.

Adding to 2111442432 its reverse (2342441112), we get a palindrome (4453883544).

It can be divided in two parts, 21114 and 42432, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 2111442432 in words is "two billion, one hundred eleven million, four hundred forty-two thousand, four hundred thirty-two".