40010424 has 64 divisors (see below), whose sum is σ = 104055840. Its totient is φ = 12810240.

The previous prime is 40010393. The next prime is 40010441. The reversal of 40010424 is 42401004.

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, 71554 + ... + 72110.

Almost surely, 2^40010424 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 40010424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52027920).

40010424 is an abundant number, since it is smaller than the sum of its proper divisors (64045416).

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

40010424 is a wasteful number, since it uses less digits than its factorization.

40010424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40010424 is about 6325.3793562126. The cubic root of 40010424 is about 342.0248947372.

Adding to 40010424 its reverse (42401004), we get a palindrome (82411428).

The spelling of 40010424 in words is "forty million, ten thousand, four hundred twenty-four".