1428012640676 has 12 divisors (see below), whose sum is σ = 2499367865820. Its totient is φ = 713907536160.

The previous prime is 1428012640657. The next prime is 1428012640679. The reversal of 1428012640676 is 6760462108241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 769357036900 + 658655603776 = 877130^2 + 811576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1428012640676.

It is not an unprimeable number, because it can be changed into a prime (1428012640679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24663515 + ... + 24721346.

It is an arithmetic number, because the mean of its divisors is an integer number (208280655485).

Almost surely, 2^{1428012640676} is an apocalyptic number.

It is an amenable number.

1428012640676 is a deficient number, since it is larger than the sum of its proper divisors (1071355225144).

1428012640676 is a wasteful number, since it uses less digits than its factorization.

1428012640676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49392094 (or 49392092 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 1428012640676 in words is "one trillion, four hundred twenty-eight billion, twelve million, six hundred forty thousand, six hundred seventy-six".