501050628 has 36 divisors (see below), whose sum is σ = 1363972428. Its totient is φ = 154169280.

The previous prime is 501050617. The next prime is 501050629. The reversal of 501050628 is 826050105.

It can be written as a sum of positive squares in 2 ways, for example, as 113039424 + 388011204 = 10632^2 + 19698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (501050629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534843 + ... + 535778.

It is an arithmetic number, because the mean of its divisors is an integer number (37888123).

Almost surely, 2^501050628 is an apocalyptic number.

It is an amenable number.

501050628 is an abundant number, since it is smaller than the sum of its proper divisors (862921800).

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

501050628 is a wasteful number, since it uses less digits than its factorization.

501050628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070644 (or 1070639 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 501050628 is about 22384.1602031437. The cubic root of 501050628 is about 794.2560597235.

The spelling of 501050628 in words is "five hundred one million, fifty thousand, six hundred twenty-eight".