42664552 has 64 divisors (see below), whose sum is σ = 95760000. Its totient is φ = 17438976.

The previous prime is 42664547. The next prime is 42664603. The reversal of 42664552 is 25546624.

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, 122074 + ... + 122422.

It is an arithmetic number, because the mean of its divisors is an integer number (1496250).

Almost surely, 2^42664552 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 42664552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47880000).

42664552 is an abundant number, since it is smaller than the sum of its proper divisors (53095448).

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

42664552 is a wasteful number, since it uses less digits than its factorization.

42664552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 454 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 42664552 is about 6531.8107749689. The cubic root of 42664552 is about 349.4264128882.

The spelling of 42664552 in words is "forty-two million, six hundred sixty-four thousand, five hundred fifty-two".