32140540 has 24 divisors (see below), whose sum is σ = 71466192. Its totient is φ = 12099840.

The previous prime is 32140529. The next prime is 32140561. The reversal of 32140540 is 4504123.

It is a super-2 number, since 2×32140540² = 2066028622983200, which 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, 46926 + ... + 47605.

It is an arithmetic number, because the mean of its divisors is an integer number (2977758).

Almost surely, 2^32140540 is an apocalyptic number.

It is an amenable number.

32140540 is an abundant number, since it is smaller than the sum of its proper divisors (39325652).

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

32140540 is a wasteful number, since it uses less digits than its factorization.

32140540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94557 (or 94555 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32140540 is about 5669.2627386636. The cubic root of 32140540 is about 317.9443094333.

Adding to 32140540 its reverse (4504123), we get a palindrome (36644663).

The spelling of 32140540 in words is "thirty-two million, one hundred forty thousand, five hundred forty".