40537424 has 20 divisors (see below), whose sum is σ = 78640800. Its totient is φ = 20243040.

The previous prime is 40537423. The next prime is 40537439. The reversal of 40537424 is 42473504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40537423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21479 + ... + 23289.

It is an arithmetic number, because the mean of its divisors is an integer number (3932040).

Almost surely, 2^40537424 is an apocalyptic number.

It is an amenable number.

40537424 is a deficient number, since it is larger than the sum of its proper divisors (38103376).

40537424 is a wasteful number, since it uses less digits than its factorization.

40537424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 40537424 is about 6366.9006588763. The cubic root of 40537424 is about 343.5200174505.

The spelling of 40537424 in words is "forty million, five hundred thirty-seven thousand, four hundred twenty-four".