40117472 has 48 divisors (see below), whose sum is σ = 83809152. Its totient is φ = 18869760.

The previous prime is 40117459. The next prime is 40117481. The reversal of 40117472 is 27471104.

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, 36158 + ... + 37250.

It is an arithmetic number, because the mean of its divisors is an integer number (1746024).

Almost surely, 2^40117472 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 40117472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41904576).

40117472 is an abundant number, since it is smaller than the sum of its proper divisors (43691680).

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

40117472 is a wasteful number, since it uses less digits than its factorization.

40117472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 40117472 is about 6333.8354888645. The cubic root of 40117472 is about 342.3296526221.

Adding to 40117472 its reverse (27471104), we get a palindrome (67588576).

The spelling of 40117472 in words is "forty million, one hundred seventeen thousand, four hundred seventy-two".