40036472 has 64 divisors (see below), whose sum is σ = 90072000. Its totient is φ = 16321536.

The previous prime is 40036457. The next prime is 40036487. The reversal of 40036472 is 27463004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40036457) and next prime (40036487).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144398 + ... + 144674.

It is an arithmetic number, because the mean of its divisors is an integer number (1407375).

Almost surely, 2^40036472 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 40036472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45036000).

40036472 is an abundant number, since it is smaller than the sum of its proper divisors (50035528).

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

40036472 is a wasteful number, since it uses less digits than its factorization.

40036472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 40036472 is about 6327.4380281438. The cubic root of 40036472 is about 342.0991014972.

Adding to 40036472 its reverse (27463004), we get a palindrome (67499476).

The spelling of 40036472 in words is "forty million, thirty-six thousand, four hundred seventy-two".