155089681344 has 420 divisors, whose sum is σ = 526001222824. Its totient is φ = 44907208704.

The previous prime is 155089681343. The next prime is 155089681367. The reversal of 155089681344 is 443186980551.

It is a happy number.

155089681344 is a `hidden beast` number, since 1 + 5 + 508 + 96 + 8 + 1 + 3 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155089681343) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19472307 + ... + 19480269.

Almost surely, 2^155089681344 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 155089681344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263000611412).

155089681344 is an abundant number, since it is smaller than the sum of its proper divisors (370911541480).

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

155089681344 is a wasteful number, since it uses less digits than its factorization.

155089681344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034 (or 7998 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 155089681344 in words is "one hundred fifty-five billion, eighty-nine million, six hundred eighty-one thousand, three hundred forty-four".