40063232 has 72 divisors (see below), whose sum is σ = 89625312. Its totient is φ = 17715200.

The previous prime is 40063211. The next prime is 40063249. The reversal of 40063232 is 23236004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115283 + ... + 115629.

It is an arithmetic number, because the mean of its divisors is an integer number (1244796).

Almost surely, 2^40063232 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 40063232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44812656).

40063232 is an abundant number, since it is smaller than the sum of its proper divisors (49562080).

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

40063232 is a wasteful number, since it uses less digits than its factorization.

40063232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40063232 is about 6329.5522748454. The cubic root of 40063232 is about 342.1753031258.

Adding to 40063232 its reverse (23236004), we get a palindrome (63299236).

The spelling of 40063232 in words is "forty million, sixty-three thousand, two hundred thirty-two".