501045432 has 32 divisors (see below), whose sum is σ = 1307076480. Its totient is φ = 159753440.

The previous prime is 501045397. The next prime is 501045439. The reversal of 501045432 is 234540105.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501045439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453294 + ... + 454397.

It is an arithmetic number, because the mean of its divisors is an integer number (40846140).

Almost surely, 2^501045432 is an apocalyptic number.

It is an amenable number.

501045432 is an abundant number, since it is smaller than the sum of its proper divisors (806031048).

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

501045432 is a wasteful number, since it uses less digits than its factorization.

501045432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907723 (or 907719 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 501045432 is about 22384.0441386270. The cubic root of 501045432 is about 794.2533141801.

Adding to 501045432 its reverse (234540105), we get a palindrome (735585537).

The spelling of 501045432 in words is "five hundred one million, forty-five thousand, four hundred thirty-two".