1587940343808 has 720 divisors, whose sum is σ = 5438379358944. Its totient is φ = 408252579840.

The previous prime is 1587940343747. The next prime is 1587940343809. The reversal of 1587940343808 is 8083430497851.

It is not an unprimeable number, because it can be changed into a prime (1587940343809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1283702166 + ... + 1283703402.

Almost surely, 2^{1587940343808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1587940343808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2719189679472).

1587940343808 is an abundant number, since it is smaller than the sum of its proper divisors (3850439015136).

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

1587940343808 is a wasteful number, since it uses less digits than its factorization.

1587940343808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 1587940343808 in words is "one trillion, five hundred eighty-seven billion, nine hundred forty million, three hundred forty-three thousand, eight hundred eight".