423941506560 has 2400 divisors, whose sum is σ = 1956195232992. Its totient is φ = 86208675840.

The previous prime is 423941506553. The next prime is 423941506621. The reversal of 423941506560 is 65605149324.

423941506560 is a `hidden beast` number, since 4 + 2 + 3 + 94 + 1 + 506 + 56 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 14618672626 + ... + 14618672654.

Almost surely, 2^423941506560 is an apocalyptic number.

423941506560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423941506560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978097616496).

423941506560 is an abundant number, since it is smaller than the sum of its proper divisors (1532253726432).

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

423941506560 is a wasteful number, since it uses less digits than its factorization.

423941506560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 423941506560 in words is "four hundred twenty-three billion, nine hundred forty-one million, five hundred six thousand, five hundred sixty".