40440006372 has 48 divisors (see below), whose sum is σ = 99585884160. Its totient is φ = 12737157408.

The previous prime is 40440006361. The next prime is 40440006413. The reversal of 40440006372 is 27360004404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144228 + ... + 318875.

It is an arithmetic number, because the mean of its divisors is an integer number (2074705920).

Almost surely, 2^40440006372 is an apocalyptic number.

It is an amenable number.

40440006372 is an abundant number, since it is smaller than the sum of its proper divisors (59145877788).

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

40440006372 is a wasteful number, since it uses less digits than its factorization.

40440006372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463512 (or 463510 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 40440006372 in words is "forty billion, four hundred forty million, six thousand, three hundred seventy-two".