32421023444 has 24 divisors (see below), whose sum is σ = 57085459200. Its totient is φ = 16110993600.

The previous prime is 32421023377. The next prime is 32421023473. The reversal of 32421023444 is 44432012423.

It is a super-2 number, since 2×32421023444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1385312 + ... + 1408520.

It is an arithmetic number, because the mean of its divisors is an integer number (2378560800).

Almost surely, 2^32421023444 is an apocalyptic number.

It is an amenable number.

32421023444 is a deficient number, since it is larger than the sum of its proper divisors (24664435756).

32421023444 is a wasteful number, since it uses less digits than its factorization.

32421023444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25343 (or 25341 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 32421023444 its reverse (44432012423), we get a palindrome (76853035867).

The spelling of 32421023444 in words is "thirty-two billion, four hundred twenty-one million, twenty-three thousand, four hundred forty-four".