1428240293736 has 32 divisors (see below), whose sum is σ = 3653637963360. Its totient is φ = 465008467392.

The previous prime is 1428240293653. The next prime is 1428240293741. The reversal of 1428240293736 is 6373920428241.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 691975855 + ... + 691977918.

It is an arithmetic number, because the mean of its divisors is an integer number (114176186355).

Almost surely, 2^{1428240293736} is an apocalyptic number.

It is an amenable number.

1428240293736 is an abundant number, since it is smaller than the sum of its proper divisors (2225397669624).

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

1428240293736 is a wasteful number, since it uses less digits than its factorization.

1428240293736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383953825 (or 1383953821 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 1428240293736 in words is "one trillion, four hundred twenty-eight billion, two hundred forty million, two hundred ninety-three thousand, seven hundred thirty-six".