40240624 has 10 divisors (see below), whose sum is σ = 77966240. Its totient is φ = 20120304.

The previous prime is 40240609. The next prime is 40240631. The reversal of 40240624 is 42604204.

It is a junction number, because it is equal to n+sod(n) for n = 40240595 and 40240604.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1257504 + ... + 1257535.

It is an arithmetic number, because the mean of its divisors is an integer number (7796624).

Almost surely, 2^40240624 is an apocalyptic number.

It is an amenable number.

40240624 is a deficient number, since it is larger than the sum of its proper divisors (37725616).

40240624 is a wasteful number, since it uses less digits than its factorization.

40240624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515047 (or 2515041 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40240624 is about 6343.5497948704. The cubic root of 40240624 is about 342.6795875627.

Adding to 40240624 its reverse (42604204), we get a palindrome (82844828).

The spelling of 40240624 in words is "forty million, two hundred forty thousand, six hundred twenty-four".