40407024 has 80 divisors (see below), whose sum is σ = 120032000. Its totient is φ = 11473920.

The previous prime is 40407007. The next prime is 40407049. The reversal of 40407024 is 42070404.

40407024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80727 + ... + 81225.

It is an arithmetic number, because the mean of its divisors is an integer number (1500400).

Almost surely, 2^40407024 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 40407024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60016000).

40407024 is an abundant number, since it is smaller than the sum of its proper divisors (79624976).

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

40407024 is a wasteful number, since it uses less digits than its factorization.

40407024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 40407024 is about 6356.6519489429. The cubic root of 40407024 is about 343.1512789386.

Adding to 40407024 its reverse (42070404), we get a palindrome (82477428).

The spelling of 40407024 in words is "forty million, four hundred seven thousand, twenty-four".