501453542040 has 128 divisors (see below), whose sum is σ = 1679286470400. Its totient is φ = 118737400320.

The previous prime is 501453542039. The next prime is 501453542069. The reversal of 501453542040 is 40245354105.

It is a super-3 number, since 3×501453542040³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 501453541992 and 501453542010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4360555 + ... + 4474074.

It is an arithmetic number, because the mean of its divisors is an integer number (13119425550).

Almost surely, 2^501453542040 is an apocalyptic number.

It is an amenable number.

501453542040 is an abundant number, since it is smaller than the sum of its proper divisors (1177832928360).

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

501453542040 is a wasteful number, since it uses less digits than its factorization.

501453542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834697 (or 8834693 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 501453542040 its reverse (40245354105), we get a palindrome (541698896145).

The spelling of 501453542040 in words is "five hundred one billion, four hundred fifty-three million, five hundred forty-two thousand, forty".