40528783 has 8 divisors (see below), whose sum is σ = 42375168. Its totient is φ = 38689464.

The previous prime is 40528781. The next prime is 40528793. The reversal of 40528783 is 38782504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40528783 - 2¹ = 40528781 is a prime.

It is a super-2 number, since 2×40528783² = 3285164502922178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40528781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12510 + ... + 15412.

It is an arithmetic number, because the mean of its divisors is an integer number (5296896).

Almost surely, 2^40528783 is an apocalyptic number.

40528783 is a deficient number, since it is larger than the sum of its proper divisors (1846385).

40528783 is a wasteful number, since it uses less digits than its factorization.

40528783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 40528783 is about 6366.2220350849. Note that the first 3 decimals coincide. The cubic root of 40528783 is about 343.4956073531.

The spelling of 40528783 in words is "forty million, five hundred twenty-eight thousand, seven hundred eighty-three".