42266220646626 has 12 divisors (see below), whose sum is σ = 91576811401062. Its totient is φ = 14088740215536.

The previous prime is 42266220646619. The next prime is 42266220646631. The reversal of 42266220646626 is 62664602266224.

42266220646626 is a `hidden beast` number, since 4 + 2 + 2 + 6 + 6 + 2 + 2 + 0 + 6 + 4 + 6 + 626 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28640532339225 + 13625688307401 = 5351685^2 + 3691299^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1174061684611 + ... + 1174061684646.

Almost surely, 2^{42266220646626} is an apocalyptic number.

42266220646626 is an abundant number, since it is smaller than the sum of its proper divisors (49310590754436).

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

42266220646626 is a wasteful number, since it uses less digits than its factorization.

42266220646626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348123369265 (or 2348123369262 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 54.

The spelling of 42266220646626 in words is "forty-two trillion, two hundred sixty-six billion, two hundred twenty million, six hundred forty-six thousand, six hundred twenty-six".