40113472 has 112 divisors (see below), whose sum is σ = 100949760. Its totient is φ = 15409152.

The previous prime is 40113461. The next prime is 40113487. The reversal of 40113472 is 27431104.

It is a tau number, because it is divible by the number of its divisors (112).

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, 175054 + ... + 175282.

Almost surely, 2^40113472 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 40113472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50474880).

40113472 is an abundant number, since it is smaller than the sum of its proper divisors (60836288).

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

40113472 is a wasteful number, since it uses less digits than its factorization.

40113472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40113472 is about 6333.5197165557. The cubic root of 40113472 is about 342.3182746692.

Adding to 40113472 its reverse (27431104), we get a palindrome (67544576).

The spelling of 40113472 in words is "forty million, one hundred thirteen thousand, four hundred seventy-two".