642274724010 has 32 divisors (see below), whose sum is σ = 1541538967680. Its totient is φ = 171264411968.

The previous prime is 642274723997. The next prime is 642274724029. The reversal of 642274724010 is 10427472246.

It is a super-2 number, since 2×642274724010² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 642274724010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48139 + ... + 1134401.

It is an arithmetic number, because the mean of its divisors is an integer number (48173092740).

Almost surely, 2^642274724010 is an apocalyptic number.

642274724010 is an abundant number, since it is smaller than the sum of its proper divisors (899264243670).

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

642274724010 is a wasteful number, since it uses less digits than its factorization.

642274724010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105982.

The product of its (nonzero) digits is 150528, while the sum is 39.

The spelling of 642274724010 in words is "six hundred forty-two billion, two hundred seventy-four million, seven hundred twenty-four thousand, ten".