40240544 has 12 divisors (see below), whose sum is σ = 79223634. Its totient is φ = 20120256.

The previous prime is 40240523. The next prime is 40240553. The reversal of 40240544 is 44504204.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 44944 = 6340^2 + 212^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628727 + ... + 628790.

Almost surely, 2^40240544 is an apocalyptic number.

It is an amenable number.

40240544 is a deficient number, since it is larger than the sum of its proper divisors (38983090).

40240544 is a wasteful number, since it uses less digits than its factorization.

40240544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257527 (or 1257519 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 40240544 is about 6343.5434892495. The cubic root of 40240544 is about 342.6793604756.

Adding to 40240544 its reverse (44504204), we get a palindrome (84744748).

The spelling of 40240544 in words is "forty million, two hundred forty thousand, five hundred forty-four".