42394632 has 64 divisors (see below), whose sum is σ = 122142720. Its totient is φ = 12011328.

The previous prime is 42394631. The next prime is 42394633. The reversal of 42394632 is 23649324.

It is an interprime number because it is at equal distance from previous prime (42394631) and next prime (42394633).

It is a junction number, because it is equal to n+sod(n) for n = 42394593 and 42394602.

It is not an unprimeable number, because it can be changed into a prime (42394631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20343 + ... + 22329.

It is an arithmetic number, because the mean of its divisors is an integer number (1908480).

Almost surely, 2^42394632 is an apocalyptic number.

42394632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42394632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61071360).

42394632 is an abundant number, since it is smaller than the sum of its proper divisors (79748088).

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

42394632 is a wasteful number, since it uses less digits than its factorization.

42394632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2126 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 42394632 is about 6511.1160333694. The cubic root of 42394632 is about 348.6879639402.

The spelling of 42394632 in words is "forty-two million, three hundred ninety-four thousand, six hundred thirty-two".