43612996990 has 16 divisors (see below), whose sum is σ = 78780796848. Its totient is φ = 17383553856.

The previous prime is 43612996961. The next prime is 43612996997. The reversal of 43612996990 is 9969921634.

43612996990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43612996997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7702647 + ... + 7708306.

It is an arithmetic number, because the mean of its divisors is an integer number (4923799803).

Almost surely, 2^43612996990 is an apocalyptic number.

43612996990 is a deficient number, since it is larger than the sum of its proper divisors (35167799858).

43612996990 is a wasteful number, since it uses less digits than its factorization.

43612996990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15411243.

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 43612996990 in words is "forty-three billion, six hundred twelve million, nine hundred ninety-six thousand, nine hundred ninety".