1340428503552 has 160 divisors (see below), whose sum is σ = 3761591296320. Its totient is φ = 422993756160.

The previous prime is 1340428503529. The next prime is 1340428503569. The reversal of 1340428503552 is 2553058240431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43205998 + ... + 43237010.

It is an arithmetic number, because the mean of its divisors is an integer number (23509945602).

Almost surely, 2^{1340428503552} is an apocalyptic number.

1340428503552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340428503552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880795648160).

1340428503552 is an abundant number, since it is smaller than the sum of its proper divisors (2421162792768).

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

1340428503552 is a wasteful number, since it uses less digits than its factorization.

1340428503552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32534 (or 32518 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 1340428503552 in words is "one trillion, three hundred forty billion, four hundred twenty-eight million, five hundred three thousand, five hundred fifty-two".