61442249584626 has 24 divisors (see below), whose sum is σ = 133125021548220. Its totient is φ = 20480727177216.

The previous prime is 61442249584613. The next prime is 61442249584643. The reversal of 61442249584626 is 62648594224416.

61442249584626 is a `hidden beast` number, since 6 + 1 + 4 + 4 + 2 + 2 + 49 + 584 + 6 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60836864440401 + 605385144225 = 7799799^2 + 778065^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25681170 + ... + 27971538.

Almost surely, 2^{61442249584626} is an apocalyptic number.

61442249584626 is an abundant number, since it is smaller than the sum of its proper divisors (71682771963594).

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

61442249584626 is a wasteful number, since it uses less digits than its factorization.

61442249584626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780730 (or 3780727 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 63.

The spelling of 61442249584626 in words is "sixty-one trillion, four hundred forty-two billion, two hundred forty-nine million, five hundred eighty-four thousand, six hundred twenty-six".