642212466576 has 40 divisors (see below), whose sum is σ = 1659376022304. Its totient is φ = 214028609280.

The previous prime is 642212466559. The next prime is 642212466593. The reversal of 642212466576 is 675664212246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (642212466559) and next prime (642212466593).

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, 1072726 + ... + 1560501.

Almost surely, 2^642212466576 is an apocalyptic number.

It is an amenable number.

642212466576 is an abundant number, since it is smaller than the sum of its proper divisors (1017163555728).

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

642212466576 is a wasteful number, since it uses less digits than its factorization.

642212466576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638319 (or 2638313 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 642212466576 in words is "six hundred forty-two billion, two hundred twelve million, four hundred sixty-six thousand, five hundred seventy-six".