42101532 has 60 divisors (see below), whose sum is σ = 120077496. Its totient is φ = 12756960.

The previous prime is 42101531. The next prime is 42101551. The reversal of 42101532 is 23510124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42101531) 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 19 ways as a sum of consecutive naturals, for example, 2343 + ... + 9470.

Almost surely, 2^42101532 is an apocalyptic number.

It is an amenable number.

42101532 is an abundant number, since it is smaller than the sum of its proper divisors (77975964).

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

42101532 is a wasteful number, since it uses less digits than its factorization.

42101532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11840 (or 11829 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42101532 is about 6488.5693338362. The cubic root of 42101532 is about 347.8825406203.

Adding to 42101532 its reverse (23510124), we get a palindrome (65611656).

The spelling of 42101532 in words is "forty-two million, one hundred one thousand, five hundred thirty-two".