501367950 has 144 divisors (see below), whose sum is σ = 1410757920. Its totient is φ = 127491840.

The previous prime is 501367949. The next prime is 501367973. The reversal of 501367950 is 59763105.

It is a happy number.

501367950 is a `hidden beast` number, since 501 + 3 + 67 + 95 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1343964 + ... + 1344336.

It is an arithmetic number, because the mean of its divisors is an integer number (9796930).

Almost surely, 2^501367950 is an apocalyptic number.

501367950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 501367950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705378960).

501367950 is an abundant number, since it is smaller than the sum of its proper divisors (909389970).

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

501367950 is a wasteful number, since it uses less digits than its factorization.

501367950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 501367950 is about 22391.2471738400. The cubic root of 501367950 is about 794.4236953012.

The spelling of 501367950 in words is "five hundred one million, three hundred sixty-seven thousand, nine hundred fifty".