40500506420 has 48 divisors (see below), whose sum is σ = 92848448448. Its totient is φ = 14717064960.

The previous prime is 40500506407. The next prime is 40500506491. The reversal of 40500506420 is 2460500504.

It is a super-2 number, since 2×40500506420² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40500506420.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 251027 + ... + 379493.

It is an arithmetic number, because the mean of its divisors is an integer number (1934342676).

Almost surely, 2^40500506420 is an apocalyptic number.

It is an amenable number.

40500506420 is an abundant number, since it is smaller than the sum of its proper divisors (52347942028).

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

40500506420 is a wasteful number, since it uses less digits than its factorization.

40500506420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129920 (or 129918 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 40500506420 in words is "forty billion, five hundred million, five hundred six thousand, four hundred twenty".