40428047208 has 32 divisors (see below), whose sum is σ = 107015420160. Its totient is φ = 12683308800.

The previous prime is 40428047203. The next prime is 40428047227. The reversal of 40428047208 is 80274082404.

It is not an unprimeable number, because it can be changed into a prime (40428047203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49543768 + ... + 49544583.

It is an arithmetic number, because the mean of its divisors is an integer number (3344231880).

Almost surely, 2^40428047208 is an apocalyptic number.

It is an amenable number.

40428047208 is an abundant number, since it is smaller than the sum of its proper divisors (66587372952).

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

40428047208 is a wasteful number, since it uses less digits than its factorization.

40428047208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99088377 (or 99088373 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The spelling of 40428047208 in words is "forty billion, four hundred twenty-eight million, forty-seven thousand, two hundred eight".