42469938 has 96 divisors (see below), whose sum is σ = 110702592. Its totient is φ = 11512800.

The previous prime is 42469919. The next prime is 42469951. The reversal of 42469938 is 83996424.

It is a junction number, because it is equal to n+sod(n) for n = 42469893 and 42469902.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324133 + ... + 324263.

It is an arithmetic number, because the mean of its divisors is an integer number (1153152).

Almost surely, 2^42469938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42469938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55351296).

42469938 is an abundant number, since it is smaller than the sum of its proper divisors (68232654).

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

42469938 is a wasteful number, since it uses less digits than its factorization.

42469938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 257 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 42469938 is about 6516.8963471886. The cubic root of 42469938 is about 348.8943010972.

The spelling of 42469938 in words is "forty-two million, four hundred sixty-nine thousand, nine hundred thirty-eight".