40026432 has 56 divisors (see below), whose sum is σ = 112142016. Its totient is φ = 12556288.

The previous prime is 40026419. The next prime is 40026433. The reversal of 40026432 is 23462004.

It is a junction number, because it is equal to n+sod(n) for n = 40026399 and 40026408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2868 + ... + 9395.

It is an arithmetic number, because the mean of its divisors is an integer number (2002536).

Almost surely, 2^40026432 is an apocalyptic number.

It is an amenable number.

40026432 is an abundant number, since it is smaller than the sum of its proper divisors (72115584).

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

40026432 is a wasteful number, since it uses less digits than its factorization.

40026432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295 (or 12285 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40026432 is about 6326.6446083212. The cubic root of 40026432 is about 342.0705028891.

Adding to 40026432 its reverse (23462004), we get a palindrome (63488436).

The spelling of 40026432 in words is "forty million, twenty-six thousand, four hundred thirty-two".