42055464 has 64 divisors (see below), whose sum is σ = 115346880. Its totient is φ = 12672000.

The previous prime is 42055451. The next prime is 42055471. The reversal of 42055464 is 46455024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63294 + ... + 63954.

It is an arithmetic number, because the mean of its divisors is an integer number (1802295).

Almost surely, 2^42055464 is an apocalyptic number.

42055464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42055464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57673440).

42055464 is an abundant number, since it is smaller than the sum of its proper divisors (73291416).

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

42055464 is a wasteful number, since it uses less digits than its factorization.

42055464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 42055464 is about 6485.0184271134. The cubic root of 42055464 is about 347.7556085663.

It can be divided in two parts, 4205 and 5464, that added together give a palindrome (9669).

The spelling of 42055464 in words is "forty-two million, fifty-five thousand, four hundred sixty-four".