1352855085840 has 240 divisors, whose sum is σ = 4863599709696. Its totient is φ = 349123737600.

The previous prime is 1352855085823. The next prime is 1352855085887. The reversal of 1352855085840 is 485805582531.

1352855085840 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 8 + 5 + 50 + 8 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 47 ways as a sum of consecutive naturals, for example, 519801 + ... + 1725080.

Almost surely, 2^{1352855085840} is an apocalyptic number.

1352855085840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352855085840 is an abundant number, since it is smaller than the sum of its proper divisors (3510744623856).

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

1352855085840 is a wasteful number, since it uses less digits than its factorization.

1352855085840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244940 (or 2244922 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 54.

The spelling of 1352855085840 in words is "one trillion, three hundred fifty-two billion, eight hundred fifty-five million, eighty-five thousand, eight hundred forty".