155434440013332 has 24 divisors (see below), whose sum is σ = 362738213191200. Its totient is φ = 51803215267296.

The previous prime is 155434440013297. The next prime is 155434440013339. The reversal of 155434440013332 is 233310044434551.

155434440013332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155434440013339) 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, 1033013782 + ... + 1033164237.

It is an arithmetic number, because the mean of its divisors is an integer number (15114092216300).

Almost surely, 2^{155434440013332} is an apocalyptic number.

155434440013332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155434440013332 is an abundant number, since it is smaller than the sum of its proper divisors (207303773177868).

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

155434440013332 is a wasteful number, since it uses less digits than its factorization.

155434440013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066184295 (or 2066184293 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 155434440013332 its reverse (233310044434551), we get a palindrome (388744484447883).

The spelling of 155434440013332 in words is "one hundred fifty-five trillion, four hundred thirty-four billion, four hundred forty million, thirteen thousand, three hundred thirty-two".