2021440232 has 32 divisors (see below), whose sum is σ = 4336982400. Its totient is φ = 865266624.

The previous prime is 2021440177. The next prime is 2021440259. The reversal of 2021440232 is 2320441202.

It is a super-2 number, since 2×2021440232² = 8172441223096427648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24653 + ... + 68195.

It is an arithmetic number, because the mean of its divisors is an integer number (135530700).

Almost surely, 2^2021440232 is an apocalyptic number.

It is an amenable number.

2021440232 is an abundant number, since it is smaller than the sum of its proper divisors (2315542168).

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

2021440232 is a wasteful number, since it uses less digits than its factorization.

2021440232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44385 (or 44381 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2021440232 is about 44960.4296242818. The cubic root of 2021440232 is about 1264.4072237148.

Adding to 2021440232 its reverse (2320441202), we get a palindrome (4341881434).

The spelling of 2021440232 in words is "two billion, twenty-one million, four hundred forty thousand, two hundred thirty-two".