42244266640 has 40 divisors (see below), whose sum is σ = 98820514368. Its totient is φ = 16794034560.

The previous prime is 42244266613. The next prime is 42244266677. The reversal of 42244266640 is 4666244224.

42244266640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 42244266593 and 42244266602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606756 + ... + 1632835.

Almost surely, 2^42244266640 is an apocalyptic number.

42244266640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42244266640 is an abundant number, since it is smaller than the sum of its proper divisors (56576247728).

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

42244266640 is a wasteful number, since it uses less digits than its factorization.

42244266640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239767 (or 3239761 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 42244266640 in words is "forty-two billion, two hundred forty-four million, two hundred sixty-six thousand, six hundred forty".