40190146828 has 72 divisors (see below), whose sum is σ = 83235927600. Its totient is φ = 16855974912.

The previous prime is 40190146807. The next prime is 40190146831. The reversal of 40190146828 is 82864109104.

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 23 ways as a sum of consecutive naturals, for example, 389703 + ... + 481921.

It is an arithmetic number, because the mean of its divisors is an integer number (1156054550).

Almost surely, 2^40190146828 is an apocalyptic number.

It is an amenable number.

40190146828 is an abundant number, since it is smaller than the sum of its proper divisors (43045780772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40190146828 is a wasteful number, since it uses less digits than its factorization.

40190146828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92299 (or 92280 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 40190146828 in words is "forty billion, one hundred ninety million, one hundred forty-six thousand, eight hundred twenty-eight".