42520488 has 16 divisors (see below), whose sum is σ = 106301280. Its totient is φ = 14173488.

The previous prime is 42520487. The next prime is 42520501. The reversal of 42520488 is 88402524.

It is a happy number.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (42520487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885820 + ... + 885867.

It is an arithmetic number, because the mean of its divisors is an integer number (6643830).

Almost surely, 2^42520488 is an apocalyptic number.

It is an amenable number.

42520488 is an abundant number, since it is smaller than the sum of its proper divisors (63780792).

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

42520488 is a wasteful number, since it uses less digits than its factorization.

42520488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771696 (or 1771692 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 42520488 is about 6520.7735737411. The cubic root of 42520488 is about 349.0326704555.

The spelling of 42520488 in words is "forty-two million, five hundred twenty thousand, four hundred eighty-eight".