155424534340 has 24 divisors (see below), whose sum is σ = 326506689432. Its totient is φ = 62147877120.

The previous prime is 155424534289. The next prime is 155424534347. The reversal of 155424534340 is 43435424551.

It can be written as a sum of positive squares in 4 ways, for example, as 4357056064 + 151067478276 = 66008^2 + 388674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155424534293 and 155424534302.

It is not an unprimeable number, because it can be changed into a prime (155424534347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312881 + ... + 1426360.

It is an arithmetic number, because the mean of its divisors is an integer number (13604445393).

Almost surely, 2^155424534340 is an apocalyptic number.

155424534340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155424534340 is an abundant number, since it is smaller than the sum of its proper divisors (171082155092).

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

155424534340 is a wasteful number, since it uses less digits than its factorization.

155424534340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742087 (or 2742085 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 155424534340 its reverse (43435424551), we get a palindrome (198859958891).

The spelling of 155424534340 in words is "one hundred fifty-five billion, four hundred twenty-four million, five hundred thirty-four thousand, three hundred forty".