40828355 has 4 divisors (see below), whose sum is σ = 48994032. Its totient is φ = 32662680.

The previous prime is 40828349. The next prime is 40828363. The reversal of 40828355 is 55382804.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40828355 - 2¹⁴ = 40811971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4082831 + ... + 4082840.

It is an arithmetic number, because the mean of its divisors is an integer number (12248508).

Almost surely, 2^40828355 is an apocalyptic number.

40828355 is a deficient number, since it is larger than the sum of its proper divisors (8165677).

40828355 is an equidigital number, since it uses as much as digits as its factorization.

40828355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165676.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 40828355 is about 6389.7069572869. The cubic root of 40828355 is about 344.3398564603.

The spelling of 40828355 in words is "forty million, eight hundred twenty-eight thousand, three hundred fifty-five".