40024052 has 24 divisors (see below), whose sum is σ = 75385800. Its totient is φ = 18524160.

The previous prime is 40024009. The next prime is 40024057. The reversal of 40024052 is 25042004.

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 40018276 = 76^2 + 6326^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 40024052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024057) 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, 677 + ... + 8972.

It is an arithmetic number, because the mean of its divisors is an integer number (3141075).

Almost surely, 2^40024052 is an apocalyptic number.

It is an amenable number.

40024052 is a deficient number, since it is larger than the sum of its proper divisors (35361748).

40024052 is a wasteful number, since it uses less digits than its factorization.

40024052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40024052 is about 6326.4565121401. The cubic root of 40024052 is about 342.0637228366.

Adding to 40024052 its reverse (25042004), we get a palindrome (65066056).

The spelling of 40024052 in words is "forty million, twenty-four thousand, fifty-two".