1356602421888 has 1344 divisors, whose sum is σ = 5161034776320. Its totient is φ = 352405831680.

The previous prime is 1356602421869. The next prime is 1356602421913. The reversal of 1356602421888 is 8881242066531.

1356602421888 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 602 + 4 + 21 + 8 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 2409595495 + ... + 2409596057.

Almost surely, 2^{1356602421888} is an apocalyptic number.

1356602421888 is a gapful number since it is divisible by the number (18) 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 1356602421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580517388160).

1356602421888 is an abundant number, since it is smaller than the sum of its proper divisors (3804432354432).

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

1356602421888 is an equidigital number, since it uses as much as digits as its factorization.

1356602421888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 1356602421888 in words is "one trillion, three hundred fifty-six billion, six hundred two million, four hundred twenty-one thousand, eight hundred eighty-eight".