42000445548 has 144 divisors (see below), whose sum is σ = 114691187520. Its totient is φ = 12912279552.

The previous prime is 42000445471. The next prime is 42000445579. The reversal of 42000445548 is 84554400024.

42000445548 is a `hidden beast` number, since 4 + 200 + 0 + 445 + 5 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6111058 + ... + 6117926.

It is an arithmetic number, because the mean of its divisors is an integer number (796466580).

Almost surely, 2^42000445548 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 42000445548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57345593760).

42000445548 is an abundant number, since it is smaller than the sum of its proper divisors (72690741972).

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

42000445548 is a wasteful number, since it uses less digits than its factorization.

42000445548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7091 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The spelling of 42000445548 in words is "forty-two billion, four hundred forty-five thousand, five hundred forty-eight".