40428660846 has 32 divisors (see below), whose sum is σ = 93361040640. Its totient is φ = 11431961856.

The previous prime is 40428660821. The next prime is 40428660847. The reversal of 40428660846 is 64806682404.

It is a junction number, because it is equal to n+sod(n) for n = 40428660795 and 40428660804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40428660847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957716 + ... + 4965863.

It is an arithmetic number, because the mean of its divisors is an integer number (2917532520).

Almost surely, 2^40428660846 is an apocalyptic number.

40428660846 is an abundant number, since it is smaller than the sum of its proper divisors (52932379794).

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

40428660846 is a wasteful number, since it uses less digits than its factorization.

40428660846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923688.

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 40428660846 in words is "forty billion, four hundred twenty-eight million, six hundred sixty thousand, eight hundred forty-six".