64088442 has 64 divisors (see below), whose sum is σ = 162155520. Its totient is φ = 18572400.

The previous prime is 64088417. The next prime is 64088459. The reversal of 64088442 is 24488046.

64088442 is a `hidden beast` number, since 640 + 8 + 8 + 4 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64088397 and 64088406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11317 + ... + 16007.

It is an arithmetic number, because the mean of its divisors is an integer number (2533680).

Almost surely, 2^64088442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64088442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81077760).

64088442 is an abundant number, since it is smaller than the sum of its proper divisors (98067078).

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

64088442 is a wasteful number, since it uses less digits than its factorization.

64088442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 64088442 is about 8005.5257166535. The cubic root of 64088442 is about 400.1841693578.

The spelling of 64088442 in words is "sixty-four million, eighty-eight thousand, four hundred forty-two".