40304542612 has 6 divisors (see below), whose sum is σ = 70532949578. Its totient is φ = 20152271304.

The previous prime is 40304542589. The next prime is 40304542613. The reversal of 40304542612 is 21624540304.

It can be written as a sum of positive squares in only one way, i.e., 32182207236 + 8122335376 = 179394^2 + 90124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304542613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5038067823 + ... + 5038067830.

Almost surely, 2^40304542612 is an apocalyptic number.

It is an amenable number.

40304542612 is a deficient number, since it is larger than the sum of its proper divisors (30228406966).

40304542612 is a wasteful number, since it uses less digits than its factorization.

40304542612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076135657 (or 10076135655 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 40304542612 in words is "forty billion, three hundred four million, five hundred forty-two thousand, six hundred twelve".