501015010540 has 24 divisors (see below), whose sum is σ = 1147779842832. Its totient is φ = 182187276480.

The previous prime is 501015010513. The next prime is 501015010543. The reversal of 501015010540 is 45010510105.

It is a happy number.

It is a super-2 number, since 2×501015010540² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (501015010543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138670259 + ... + 1138670698.

It is an arithmetic number, because the mean of its divisors is an integer number (47824160118).

Almost surely, 2^501015010540 is an apocalyptic number.

It is an amenable number.

501015010540 is an abundant number, since it is smaller than the sum of its proper divisors (646764832292).

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

501015010540 is a wasteful number, since it uses less digits than its factorization.

501015010540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277340977 (or 2277340975 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 501015010540 its reverse (45010510105), we get a palindrome (546025520645).

The spelling of 501015010540 in words is "five hundred one billion, fifteen million, ten thousand, five hundred forty".