40481472 has 112 divisors (see below), whose sum is σ = 114117120. Its totient is φ = 12638208.

The previous prime is 40481423. The next prime is 40481503. The reversal of 40481472 is 27418404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392973 + ... + 393075.

Almost surely, 2^40481472 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 40481472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57058560).

40481472 is an abundant number, since it is smaller than the sum of its proper divisors (73635648).

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

40481472 is a wasteful number, since it uses less digits than its factorization.

40481472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 40481472 is about 6362.5051669920. The cubic root of 40481472 is about 343.3618962213.

Adding to 40481472 its reverse (27418404), we get a palindrome (67899876).

The spelling of 40481472 in words is "forty million, four hundred eighty-one thousand, four hundred seventy-two".