159788599040 has 72 divisors (see below), whose sum is σ = 437421314400. Its totient is φ = 54784659456.

The previous prime is 159788599027. The next prime is 159788599049. The reversal of 159788599040 is 40995887951.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159788599049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8907815 + ... + 8925734.

Almost surely, 2^159788599040 is an apocalyptic number.

159788599040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159788599040 is an abundant number, since it is smaller than the sum of its proper divisors (277632715360).

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

159788599040 is an equidigital number, since it uses as much as digits as its factorization.

159788599040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17833577 (or 17833563 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 65.

The spelling of 159788599040 in words is "one hundred fifty-nine billion, seven hundred eighty-eight million, five hundred ninety-nine thousand, forty".