155216244344 has 96 divisors (see below), whose sum is σ = 349680936960. Its totient is φ = 64335902400.

The previous prime is 155216244331. The next prime is 155216244383. The reversal of 155216244344 is 443442612551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28080509 + ... + 28086035.

It is an arithmetic number, because the mean of its divisors is an integer number (3642509760).

Almost surely, 2^155216244344 is an apocalyptic number.

155216244344 is a gapful number since it is divisible by the number (14) 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 155216244344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174840468480).

155216244344 is an abundant number, since it is smaller than the sum of its proper divisors (194464692616).

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

155216244344 is a wasteful number, since it uses less digits than its factorization.

155216244344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889 (or 7878 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 155216244344 its reverse (443442612551), we get a palindrome (598658856895).

The spelling of 155216244344 in words is "one hundred fifty-five billion, two hundred sixteen million, two hundred forty-four thousand, three hundred forty-four".