42625264 has 40 divisors (see below), whose sum is σ = 90851328. Its totient is φ = 19212480.

The previous prime is 42625259. The next prime is 42625267. The reversal of 42625264 is 46252624.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42625267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21399 + ... + 23305.

Almost surely, 2^42625264 is an apocalyptic number.

42625264 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 42625264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45425664).

42625264 is an abundant number, since it is smaller than the sum of its proper divisors (48226064).

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

42625264 is a wasteful number, since it uses less digits than its factorization.

42625264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2047 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 42625264 is about 6528.8026467339. The cubic root of 42625264 is about 349.3191225629.

Adding to 42625264 its reverse (46252624), we get a palindrome (88877888).

The spelling of 42625264 in words is "forty-two million, six hundred twenty-five thousand, two hundred sixty-four".