423638744760 has 1536 divisors, whose sum is σ = 1936288972800. Its totient is φ = 80705548800.

The previous prime is 423638744747. The next prime is 423638744783. The reversal of 423638744760 is 67447836324.

423638744760 is a `hidden beast` number, since 4 + 2 + 3 + 63 + 87 + 447 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 423638744697 and 423638744706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 13665765945 + ... + 13665765975.

It is an arithmetic number, because the mean of its divisors is an integer number (1260604800).

Almost surely, 2^423638744760 is an apocalyptic number.

423638744760 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 423638744760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968144486400).

423638744760 is an abundant number, since it is smaller than the sum of its proper divisors (1512650228040).

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

423638744760 is a wasteful number, since it uses less digits than its factorization.

423638744760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 54.

The spelling of 423638744760 in words is "four hundred twenty-three billion, six hundred thirty-eight million, seven hundred forty-four thousand, seven hundred sixty".