61042294768 has 80 divisors (see below), whose sum is σ = 151891278336. Its totient is φ = 23098648320.

The previous prime is 61042294693. The next prime is 61042294771. The reversal of 61042294768 is 86749224016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877918 + ... + 944893.

Almost surely, 2^61042294768 is an apocalyptic number.

It is an amenable number.

61042294768 is an abundant number, since it is smaller than the sum of its proper divisors (90848983568).

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

61042294768 is a wasteful number, since it uses less digits than its factorization.

61042294768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822862 (or 1822856 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 61042294768 in words is "sixty-one billion, forty-two million, two hundred ninety-four thousand, seven hundred sixty-eight".