155067488420 has 24 divisors (see below), whose sum is σ = 350691089784. Its totient is φ = 57255687936.

The previous prime is 155067488357. The next prime is 155067488441. The reversal of 155067488420 is 24884760551.

It can be written as a sum of positive squares in 4 ways, for example, as 16985387584 + 138082100836 = 130328^2 + 371594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298206449 + ... + 298206968.

It is an arithmetic number, because the mean of its divisors is an integer number (14612128741).

Almost surely, 2^155067488420 is an apocalyptic number.

155067488420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155067488420 is an abundant number, since it is smaller than the sum of its proper divisors (195623601364).

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

155067488420 is a wasteful number, since it uses less digits than its factorization.

155067488420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596413439 (or 596413437 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 155067488420 in words is "one hundred fifty-five billion, sixty-seven million, four hundred eighty-eight thousand, four hundred twenty".