40428196 has 12 divisors (see below), whose sum is σ = 70813260. Its totient is φ = 20195840.

The previous prime is 40428191. The next prime is 40428211. The reversal of 40428196 is 69182404.

It can be written as a sum of positive squares in 2 ways, for example, as 23912100 + 16516096 = 4890^2 + 4064^2 .

It is not an unprimeable number, because it can be changed into a prime (40428191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (5901105).

Almost surely, 2^40428196 is an apocalyptic number.

It is an amenable number.

40428196 is a deficient number, since it is larger than the sum of its proper divisors (30385064).

40428196 is a wasteful number, since it uses less digits than its factorization.

40428196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134 (or 9132 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 40428196 is about 6358.3170729368. The cubic root of 40428196 is about 343.2112019389.

The spelling of 40428196 in words is "forty million, four hundred twenty-eight thousand, one hundred ninety-six".