32140040 has 16 divisors (see below), whose sum is σ = 72315180. Its totient is φ = 12856000.

The previous prime is 32140021. The next prime is 32140061. The reversal of 32140040 is 4004123.

It can be written as a sum of positive squares in 2 ways, for example, as 32058244 + 81796 = 5662^2 + 286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32139997 and 32140024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401711 + ... + 401790.

Almost surely, 2^32140040 is an apocalyptic number.

It is an amenable number.

32140040 is an abundant number, since it is smaller than the sum of its proper divisors (40175140).

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

32140040 is a wasteful number, since it uses less digits than its factorization.

32140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803512 (or 803508 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 32140040 is about 5669.2186410475. The cubic root of 32140040 is about 317.9426607058.

Adding to 32140040 its reverse (4004123), we get a palindrome (36144163).

The spelling of 32140040 in words is "thirty-two million, one hundred forty thousand, forty".