40190828 has 24 divisors (see below), whose sum is σ = 72866304. Its totient is φ = 19384400.

The previous prime is 40190827. The next prime is 40190831. The reversal of 40190828 is 82809104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40190794 and 40190803.

It is not an unprimeable number, because it can be changed into a prime (40190827) 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, 11843 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (3036096).

Almost surely, 2^40190828 is an apocalyptic number.

It is an amenable number.

40190828 is a deficient number, since it is larger than the sum of its proper divisors (32675476).

40190828 is a wasteful number, since it uses less digits than its factorization.

40190828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 40190828 is about 6339.6236481356. The cubic root of 40190828 is about 342.5381789184.

The spelling of 40190828 in words is "forty million, one hundred ninety thousand, eight hundred twenty-eight".