40342292990 has 32 divisors (see below), whose sum is σ = 75418546176. Its totient is φ = 15520546080.

The previous prime is 40342292971. The next prime is 40342292993. The reversal of 40342292990 is 9929224304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342292993) 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 15 ways as a sum of consecutive naturals, for example, 348662 + ... + 449721.

It is an arithmetic number, because the mean of its divisors is an integer number (2356829568).

Almost surely, 2^40342292990 is an apocalyptic number.

40342292990 is a deficient number, since it is larger than the sum of its proper divisors (35076253186).

40342292990 is a wasteful number, since it uses less digits than its factorization.

40342292990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798584.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 40342292990 in words is "forty billion, three hundred forty-two million, two hundred ninety-two thousand, nine hundred ninety".