155842938713280 has 448 divisors, whose sum is σ = 614375550609408. Its totient is φ = 32590161838080.

The previous prime is 155842938713261. The next prime is 155842938713317. The reversal of 155842938713280 is 82317839248551.

155842938713280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×155842938713280² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1978245 + ... + 17765115.

It is an arithmetic number, because the mean of its divisors is an integer number (1371373996896).

Almost surely, 2^{155842938713280} is an apocalyptic number.

155842938713280 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 155842938713280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307187775304704).

155842938713280 is an abundant number, since it is smaller than the sum of its proper divisors (458532611896128).

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

155842938713280 is a wasteful number, since it uses less digits than its factorization.

155842938713280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15787024 (or 15787014 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 66.

The spelling of 155842938713280 in words is "one hundred fifty-five trillion, eight hundred forty-two billion, nine hundred thirty-eight million, seven hundred thirteen thousand, two hundred eighty".