42655776 has 48 divisors (see below), whose sum is σ = 112510944. Its totient is φ = 14150144.

The previous prime is 42655759. The next prime is 42655787. The reversal of 42655776 is 67755624.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21415 + ... + 23321.

It is an arithmetic number, because the mean of its divisors is an integer number (2343978).

Almost surely, 2^42655776 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 42655776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56255472).

42655776 is an abundant number, since it is smaller than the sum of its proper divisors (69855168).

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

42655776 is a wasteful number, since it uses less digits than its factorization.

42655776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2145 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 42655776 is about 6531.1389512090. The cubic root of 42655776 is about 349.4024525094.

The spelling of 42655776 in words is "forty-two million, six hundred fifty-five thousand, seven hundred seventy-six".