40234032 has 60 divisors (see below), whose sum is σ = 116244544. Its totient is φ = 12977280.

The previous prime is 40234031. The next prime is 40234069. The reversal of 40234032 is 23043204.

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

It is a junction number, because it is equal to n+sod(n) for n = 40233996 and 40234014.

It is not an unprimeable number, because it can be changed into a prime (40234031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43 + ... + 8970.

Almost surely, 2^40234032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40234032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58122272).

40234032 is an abundant number, since it is smaller than the sum of its proper divisors (76010512).

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

40234032 is a wasteful number, since it uses less digits than its factorization.

40234032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058 (or 9049 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40234032 is about 6343.0301906896. The cubic root of 40234032 is about 342.6608745726.

Adding to 40234032 its reverse (23043204), we get a palindrome (63277236).

The spelling of 40234032 in words is "forty million, two hundred thirty-four thousand, thirty-two".