40149393104 has 20 divisors (see below), whose sum is σ = 78503117220. Its totient is φ = 19890524160.

The previous prime is 40149393083. The next prime is 40149393113. The reversal of 40149393104 is 40139394104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12144040000 + 28005353104 = 110200^2 + 167348^2 .

It is a super-2 number, since 2×40149393104² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11508977 + ... + 11512464.

It is an arithmetic number, because the mean of its divisors is an integer number (3925155861).

Almost surely, 2^40149393104 is an apocalyptic number.

It is an amenable number.

40149393104 is a deficient number, since it is larger than the sum of its proper divisors (38353724116).

40149393104 is a wasteful number, since it uses less digits than its factorization.

40149393104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23021558 (or 23021552 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 40149393104 in words is "forty billion, one hundred forty-nine million, three hundred ninety-three thousand, one hundred four".