40188466744 has 16 divisors (see below), whose sum is σ = 75355591320. Its totient is φ = 20093642400.

The previous prime is 40188466741. The next prime is 40188466757. The reversal of 40188466744 is 44766488104.

It is a super-2 number, since 2×40188466744² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40188466691 and 40188466700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40188466741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377062 + ... + 471754.

Almost surely, 2^40188466744 is an apocalyptic number.

It is an amenable number.

40188466744 is a deficient number, since it is larger than the sum of its proper divisors (35167124576).

40188466744 is a wasteful number, since it uses less digits than its factorization.

40188466744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147750 (or 147746 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 40188466744 in words is "forty billion, one hundred eighty-eight million, four hundred sixty-six thousand, seven hundred forty-four".