61445240052466 has 8 divisors (see below), whose sum is σ = 92168144482860. Its totient is φ = 30722525224848.

The previous prime is 61445240052431. The next prime is 61445240052473. The reversal of 61445240052466 is 66425004254416.

It can be written as a sum of positive squares in 2 ways, for example, as 43039123697241 + 18406116355225 = 6560421^2 + 4290235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46587721 + ... + 47888476.

Almost surely, 2^{61445240052466} is an apocalyptic number.

61445240052466 is a deficient number, since it is larger than the sum of its proper divisors (30722904430394).

61445240052466 is a wasteful number, since it uses less digits than its factorization.

61445240052466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94801388.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 61445240052466 in words is "sixty-one trillion, four hundred forty-five billion, two hundred forty million, fifty-two thousand, four hundred sixty-six".