155413413440000 has 200 divisors, whose sum is σ = 390197805608160. Its totient is φ = 61818050048000.

The previous prime is 155413413439937. The next prime is 155413413440017. The reversal of 155413413440000 is 44314314551.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55923389 + ... + 58636611.

Almost surely, 2^{155413413440000} is an apocalyptic number.

155413413440000 is a gapful number since it is divisible by the number (10) 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 155413413440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195098902804080).

155413413440000 is an abundant number, since it is smaller than the sum of its proper divisors (234784392168160).

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

155413413440000 is an frugal number, since it uses more digits than its factorization.

155413413440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713440 (or 2713409 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 155413413440000 its reverse (44314314551), we get a palindrome (155457727754551).

The spelling of 155413413440000 in words is "one hundred fifty-five trillion, four hundred thirteen billion, four hundred thirteen million, four hundred forty thousand".