423540149760 has 960 divisors, whose sum is σ = 1884047413248. Its totient is φ = 85467267072.

The previous prime is 423540149731. The next prime is 423540149771. The reversal of 423540149760 is 67941045324.

423540149760 is a `hidden beast` number, since 4 + 2 + 3 + 540 + 1 + 49 + 7 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48218329 + ... + 48227111.

Almost surely, 2^423540149760 is an apocalyptic number.

423540149760 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 423540149760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942023706624).

423540149760 is an abundant number, since it is smaller than the sum of its proper divisors (1460507263488).

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

423540149760 is a wasteful number, since it uses less digits than its factorization.

423540149760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855 (or 8836 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 423540149760 in words is "four hundred twenty-three billion, five hundred forty million, one hundred forty-nine thousand, seven hundred sixty".