42722688990780 has 144 divisors (see below), whose sum is σ = 132426847687680. Its totient is φ = 11146178745216.

The previous prime is 42722688990769. The next prime is 42722688990799. The reversal of 42722688990780 is 8709988622724.

42722688990780 is a `hidden beast` number, since 4 + 272 + 268 + 8 + 9 + 90 + 7 + 8 + 0 = 666.

It is a super-2 number, since 2×42722688990780² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42722688990699 and 42722688990708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12342820 + ... + 15420459.

It is an arithmetic number, because the mean of its divisors is an integer number (919630886720).

Almost surely, 2^{42722688990780} is an apocalyptic number.

It is an amenable number.

42722688990780 is an abundant number, since it is smaller than the sum of its proper divisors (89704158696900).

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

42722688990780 is a wasteful number, since it uses less digits than its factorization.

42722688990780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27763480 (or 27763475 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 42722688990780 in words is "forty-two trillion, seven hundred twenty-two billion, six hundred eighty-eight million, nine hundred ninety thousand, seven hundred eighty".