32426140 has 48 divisors (see below), whose sum is σ = 72569952. Its totient is φ = 12128256.

The previous prime is 32426137. The next prime is 32426143. The reversal of 32426140 is 4162423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (32426137) and next prime (32426143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32426143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96052 + ... + 96388.

It is an arithmetic number, because the mean of its divisors is an integer number (1511874).

Almost surely, 2^32426140 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 32426140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36284976).

32426140 is an abundant number, since it is smaller than the sum of its proper divisors (40143812).

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

32426140 is a wasteful number, since it uses less digits than its factorization.

32426140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 32426140 is about 5694.3954903045. The cubic root of 32426140 is about 318.8832819524.

Adding to 32426140 its reverse (4162423), we get a palindrome (36588563).

The spelling of 32426140 in words is "thirty-two million, four hundred twenty-six thousand, one hundred forty".