40661562324 has 12 divisors (see below), whose sum is σ = 94876978784. Its totient is φ = 13553854104.

The previous prime is 40661562323. The next prime is 40661562367. The reversal of 40661562324 is 42326516604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40661562323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694231752 + ... + 1694231775.

Almost surely, 2^40661562324 is an apocalyptic number.

It is an amenable number.

40661562324 is an abundant number, since it is smaller than the sum of its proper divisors (54215416460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40661562324 is a wasteful number, since it uses less digits than its factorization.

40661562324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388463534 (or 3388463532 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 40661562324 in words is "forty billion, six hundred sixty-one million, five hundred sixty-two thousand, three hundred twenty-four".