420540506480 has 40 divisors (see below), whose sum is σ = 977802483600. Its totient is φ = 168208322048.

The previous prime is 420540506479. The next prime is 420540506537. The reversal of 420540506480 is 84605045024.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777391 + ... + 2000049.

It is an arithmetic number, because the mean of its divisors is an integer number (24445062090).

Almost surely, 2^420540506480 is an apocalyptic number.

420540506480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420540506480 is an abundant number, since it is smaller than the sum of its proper divisors (557261977120).

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

420540506480 is a wasteful number, since it uses less digits than its factorization.

420540506480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246281 (or 246275 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 420540506480 in words is "four hundred twenty billion, five hundred forty million, five hundred six thousand, four hundred eighty".