155413440315240 has 64 divisors (see below), whose sum is σ = 466287386218560. Its totient is φ = 41439400504320.

The previous prime is 155413440315061. The next prime is 155413440315269. The reversal of 155413440315240 is 42513044314551.

155413440315240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155413440315192 and 155413440315201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64174641 + ... + 66552320.

It is an arithmetic number, because the mean of its divisors is an integer number (7285740409665).

Almost surely, 2^{155413440315240} is an apocalyptic number.

155413440315240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155413440315240 is an abundant number, since it is smaller than the sum of its proper divisors (310873945903320).

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

155413440315240 is a wasteful number, since it uses less digits than its factorization.

155413440315240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130736882 (or 130736878 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 155413440315240 its reverse (42513044314551), we get a palindrome (197926484629791).

The spelling of 155413440315240 in words is "one hundred fifty-five trillion, four hundred thirteen billion, four hundred forty million, three hundred fifteen thousand, two hundred forty".