420575120522140 has 72 divisors (see below), whose sum is σ = 949893928053840. Its totient is φ = 155984859618048.

The previous prime is 420575120522119. The next prime is 420575120522143. The reversal of 420575120522140 is 41225021575024.

It is a super-3 number, since 3×420575120522140³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420575120522093 and 420575120522102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420575120522143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249675889 + ... + 251354728.

It is an arithmetic number, because the mean of its divisors is an integer number (13192971222970).

Almost surely, 2^{420575120522140} is an apocalyptic number.

It is an amenable number.

420575120522140 is an abundant number, since it is smaller than the sum of its proper divisors (529318807531700).

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

420575120522140 is a wasteful number, since it uses less digits than its factorization.

420575120522140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501030739 (or 501030690 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The spelling of 420575120522140 in words is "four hundred twenty trillion, five hundred seventy-five billion, one hundred twenty million, five hundred twenty-two thousand, one hundred forty".