42681764160 has 672 divisors, whose sum is σ = 183196016640. Its totient is φ = 9240127488.

The previous prime is 42681764057. The next prime is 42681764243. The reversal of 42681764160 is 6146718624.

42681764160 is a `hidden beast` number, since 4 + 2 + 68 + 176 + 416 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-3 number, since 3×42681764160³ (a number of 33 digits) contains 333 as substring.

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, 10340017 + ... + 10344143.

It is an arithmetic number, because the mean of its divisors is an integer number (272613120).

Almost surely, 2^42681764160 is an apocalyptic number.

42681764160 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 42681764160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91598008320).

42681764160 is an abundant number, since it is smaller than the sum of its proper divisors (140514252480).

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

42681764160 is a wasteful number, since it uses less digits than its factorization.

42681764160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 4163 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 42681764160 in words is "forty-two billion, six hundred eighty-one million, seven hundred sixty-four thousand, one hundred sixty".