32045040 has 60 divisors (see below), whose sum is σ = 107620344. Its totient is φ = 8545152.

The previous prime is 32045033. The next prime is 32045059. The reversal of 32045040 is 4054023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21534 + ... + 22973.

Almost surely, 2^32045040 is an apocalyptic number.

32045040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32045040 is an abundant number, since it is smaller than the sum of its proper divisors (75575304).

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

32045040 is a wasteful number, since it uses less digits than its factorization.

32045040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44526 (or 44517 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 32045040 is about 5660.8338608371. The cubic root of 32045040 is about 317.6290916974.

Adding to 32045040 its reverse (4054023), we get a palindrome (36099063).

The spelling of 32045040 in words is "thirty-two million, forty-five thousand, forty".