40328452 has 6 divisors (see below), whose sum is σ = 70574798. Its totient is φ = 20164224.

The previous prime is 40328443. The next prime is 40328459. The reversal of 40328452 is 25482304.

It can be written as a sum of positive squares in only one way, i.e., 34644996 + 5683456 = 5886^2 + 2384^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40328452.

It is not an unprimeable number, because it can be changed into a prime (40328459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5041053 + ... + 5041060.

Almost surely, 2^40328452 is an apocalyptic number.

It is an amenable number.

40328452 is a deficient number, since it is larger than the sum of its proper divisors (30246346).

40328452 is a wasteful number, since it uses less digits than its factorization.

40328452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082117 (or 10082115 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40328452 is about 6350.4686441238. The cubic root of 40328452 is about 342.9287138615.

The spelling of 40328452 in words is "forty million, three hundred twenty-eight thousand, four hundred fifty-two".