159625974240 has 240 divisors, whose sum is σ = 578573991072. Its totient is φ = 41416344576.

The previous prime is 159625974223. The next prime is 159625974251. The reversal of 159625974240 is 42479526951.

It is a happy number.

159625974240 is a `hidden beast` number, since 1 + 5 + 9 + 6 + 2 + 597 + 4 + 2 + 40 = 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 313077 + ... + 645963.

Almost surely, 2^159625974240 is an apocalyptic number.

159625974240 is a gapful number since it is divisible by the number (10) 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 159625974240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289286995536).

159625974240 is an abundant number, since it is smaller than the sum of its proper divisors (418948016832).

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

159625974240 is a wasteful number, since it uses less digits than its factorization.

159625974240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332951 (or 332934 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 159625974240 in words is "one hundred fifty-nine billion, six hundred twenty-five million, nine hundred seventy-four thousand, two hundred forty".