61026122404044 has 72 divisors (see below), whose sum is σ = 176334426777600. Its totient is φ = 17432401362912.

The previous prime is 61026122403959. The next prime is 61026122404067. The reversal of 61026122404044 is 44040422162016.

61026122404044 is a `hidden beast` number, since 6 + 1 + 0 + 2 + 6 + 1 + 2 + 240 + 404 + 4 = 666.

It is a super-2 number, since 2×61026122404044² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 24021654 + ... + 26440349.

It is an arithmetic number, because the mean of its divisors is an integer number (2449089260800).

Almost surely, 2^{61026122404044} is an apocalyptic number.

It is an amenable number.

61026122404044 is an abundant number, since it is smaller than the sum of its proper divisors (115308304373556).

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

61026122404044 is a wasteful number, since it uses less digits than its factorization.

61026122404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50466819 (or 50466814 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 61026122404044 in words is "sixty-one trillion, twenty-six billion, one hundred twenty-two million, four hundred four thousand, forty-four".