2240021432 has 16 divisors (see below), whose sum is σ = 4581862200. Its totient is φ = 1018191520.

The previous prime is 2240021431. The next prime is 2240021447. The reversal of 2240021432 is 2341200422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240021431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12727307 + ... + 12727482.

Almost surely, 2^2240021432 is an apocalyptic number.

2240021432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2240021432 is an abundant number, since it is smaller than the sum of its proper divisors (2341840768).

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

2240021432 is a wasteful number, since it uses less digits than its factorization.

2240021432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25454806 (or 25454802 counting only the distinct ones).

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

The square root of 2240021432 is about 47328.8646810802. The cubic root of 2240021432 is about 1308.4306970081.

Adding to 2240021432 its reverse (2341200422), we get a palindrome (4581221854).

The spelling of 2240021432 in words is "two billion, two hundred forty million, twenty-one thousand, four hundred thirty-two".