42540300 has 108 divisors (see below), whose sum is σ = 145495896. Its totient is φ = 10310400.

The previous prime is 42540293. The next prime is 42540331. The reversal of 42540300 is 304524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7752 + ... + 12048.

Almost surely, 2^42540300 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 42540300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72747948).

42540300 is an abundant number, since it is smaller than the sum of its proper divisors (102955596).

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

42540300 is a wasteful number, since it uses less digits than its factorization.

42540300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328 (or 4318 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 42540300 is about 6522.2925417371. The cubic root of 42540300 is about 349.0868714761.

Adding to 42540300 its reverse (304524), we get a palindrome (42844824).

The spelling of 42540300 in words is "forty-two million, five hundred forty thousand, three hundred".