40561624 has 16 divisors (see below), whose sum is σ = 76129200. Its totient is φ = 20260512.

The previous prime is 40561607. The next prime is 40561639. The reversal of 40561624 is 42616504.

It is a junction number, because it is equal to n+sod(n) for n = 40561592 and 40561601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082 + ... + 12790.

It is an arithmetic number, because the mean of its divisors is an integer number (4758075).

Almost surely, 2^40561624 is an apocalyptic number.

It is an amenable number.

40561624 is a deficient number, since it is larger than the sum of its proper divisors (35567576).

40561624 is a wasteful number, since it uses less digits than its factorization.

40561624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082 (or 5078 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40561624 is about 6368.8008290415. The cubic root of 40561624 is about 343.5883619569.

The spelling of 40561624 in words is "forty million, five hundred sixty-one thousand, six hundred twenty-four".