42453504 has 160 divisors (see below), whose sum is σ = 130616640. Its totient is φ = 13602816.

The previous prime is 42453503. The next prime is 42453517. The reversal of 42453504 is 40535424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42453503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511447 + ... + 511529.

It is an arithmetic number, because the mean of its divisors is an integer number (816354).

Almost surely, 2^42453504 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 42453504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65308320).

42453504 is an abundant number, since it is smaller than the sum of its proper divisors (88163136).

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

42453504 is an equidigital number, since it uses as much as digits as its factorization.

42453504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 42453504 is about 6515.6353489126. The cubic root of 42453504 is about 348.8492930363.

Adding to 42453504 its reverse (40535424), we get a palindrome (82988928).

The spelling of 42453504 in words is "forty-two million, four hundred fifty-three thousand, five hundred four".