42433902 has 128 divisors (see below), whose sum is σ = 115200000. Its totient is φ = 11557728.

The previous prime is 42433901. The next prime is 42433939. The reversal of 42433902 is 20933424.

It is a happy number.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42433901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 537099 + ... + 537177.

It is an arithmetic number, because the mean of its divisors is an integer number (900000).

Almost surely, 2^42433902 is an apocalyptic number.

42433902 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42433902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57600000).

42433902 is an abundant number, since it is smaller than the sum of its proper divisors (72766098).

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

42433902 is a wasteful number, since it uses less digits than its factorization.

42433902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 42433902 is about 6514.1309474096. The cubic root of 42433902 is about 348.7955935304.

The spelling of 42433902 in words is "forty-two million, four hundred thirty-three thousand, nine hundred two".