40471424 has 64 divisors (see below), whose sum is σ = 97601760. Its totient is φ = 16318464.

The previous prime is 40471423. The next prime is 40471427. The reversal of 40471424 is 42417404.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 40471393 and 40471402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40471423) 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, 13904 + ... + 16560.

Almost surely, 2^40471424 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 40471424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48800880).

40471424 is an abundant number, since it is smaller than the sum of its proper divisors (57130336).

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

40471424 is a wasteful number, since it uses less digits than its factorization.

40471424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 40471424 is about 6361.7154919094. The cubic root of 40471424 is about 343.3334849865. Note that the first 3 decimals are identical.

Adding to 40471424 its reverse (42417404), we get a palindrome (82888828).

The spelling of 40471424 in words is "forty million, four hundred seventy-one thousand, four hundred twenty-four".