420040266044 has 12 divisors (see below), whose sum is σ = 840080532144. Its totient is φ = 180017256864.

The previous prime is 420040266001. The next prime is 420040266071. The reversal of 420040266044 is 440662040024.

420040266044 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 420040266044.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7500719009 + ... + 7500719064.

It is an arithmetic number, because the mean of its divisors is an integer number (70006711012).

Almost surely, 2^420040266044 is an apocalyptic number.

It is an amenable number.

420040266044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420040266044 is a wasteful number, since it uses less digits than its factorization.

420040266044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001438084 (or 15001438082 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 420040266044 in words is "four hundred twenty billion, forty million, two hundred sixty-six thousand, forty-four".