505350144 has 384 divisors, whose sum is σ = 1742832000. Its totient is φ = 143327232.

The previous prime is 505350137. The next prime is 505350161. The reversal of 505350144 is 441053505.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13658094 + ... + 13658130.

It is an arithmetic number, because the mean of its divisors is an integer number (4538625).

Almost surely, 2^505350144 is an apocalyptic number.

505350144 is a gapful number since it is divisible by the number (54) 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 505350144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871416000).

505350144 is an abundant number, since it is smaller than the sum of its proper divisors (1237481856).

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

505350144 is a wasteful number, since it uses less digits than its factorization.

505350144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 505350144 is about 22479.9943060491. The cubic root of 505350144 is about 796.5214296922.

The spelling of 505350144 in words is "five hundred five million, three hundred fifty thousand, one hundred forty-four".