42730807776 has 96 divisors (see below), whose sum is σ = 119126827008. Its totient is φ = 13365073920.

The previous prime is 42730807751. The next prime is 42730807787. The reversal of 42730807776 is 67770803724.

42730807776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500641 + ... + 579743.

It is an arithmetic number, because the mean of its divisors is an integer number (1240904448).

Almost surely, 2^42730807776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42730807776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59563413504).

42730807776 is an abundant number, since it is smaller than the sum of its proper divisors (76396019232).

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

42730807776 is a wasteful number, since it uses less digits than its factorization.

42730807776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79464 (or 79456 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 51.

The spelling of 42730807776 in words is "forty-two billion, seven hundred thirty million, eight hundred seven thousand, seven hundred seventy-six".