42990764766 has 32 divisors (see below), whose sum is σ = 86275229568. Its totient is φ = 14281362720.

The previous prime is 42990764737. The next prime is 42990764771. The reversal of 42990764766 is 66746709924.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420105 + ... + 3432651.

It is an arithmetic number, because the mean of its divisors is an integer number (2696100924).

Almost surely, 2^42990764766 is an apocalyptic number.

42990764766 is an abundant number, since it is smaller than the sum of its proper divisors (43284464802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42990764766 is a wasteful number, since it uses less digits than its factorization.

42990764766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14456.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 42990764766 in words is "forty-two billion, nine hundred ninety million, seven hundred sixty-four thousand, seven hundred sixty-six".