40019303056 has 10 divisors (see below), whose sum is σ = 77537399702. Its totient is φ = 20009651520.

The previous prime is 40019303039. The next prime is 40019303057. The reversal of 40019303056 is 65030391004.

It can be written as a sum of positive squares in only one way, i.e., 38763309456 + 1255993600 = 196884^2 + 35440^2 .

It is not an unprimeable number, because it can be changed into a prime (40019303057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250603205 + ... + 1250603236.

Almost surely, 2^40019303056 is an apocalyptic number.

It is an amenable number.

40019303056 is a deficient number, since it is larger than the sum of its proper divisors (37518096646).

40019303056 is a wasteful number, since it uses less digits than its factorization.

40019303056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501206449 (or 2501206443 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 40019303056 in words is "forty billion, nineteen million, three hundred three thousand, fifty-six".