32453040 has 40 divisors (see below), whose sum is σ = 100605168. Its totient is φ = 8654080.

The previous prime is 32453039. The next prime is 32453081. The reversal of 32453040 is 4035423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 32452998 and 32453016.

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, 67371 + ... + 67850.

Almost surely, 2^32453040 is an apocalyptic number.

32453040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32453040 is an abundant number, since it is smaller than the sum of its proper divisors (68152128).

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

32453040 is a wasteful number, since it uses less digits than its factorization.

32453040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135237 (or 135231 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 32453040 is about 5696.7569721729. The cubic root of 32453040 is about 318.9714370576.

Adding to 32453040 its reverse (4035423), we get a palindrome (36488463).

The spelling of 32453040 in words is "thirty-two million, four hundred fifty-three thousand, forty".