61042228760 has 64 divisors (see below), whose sum is σ = 143879760000. Its totient is φ = 23276477952.

The previous prime is 61042228757. The next prime is 61042228829. The reversal of 61042228760 is 6782224016.

It is a super-2 number, since 2×61042228760² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241415 + ... + 424694.

It is an arithmetic number, because the mean of its divisors is an integer number (2248121250).

Almost surely, 2^61042228760 is an apocalyptic number.

It is an amenable number.

61042228760 is an abundant number, since it is smaller than the sum of its proper divisors (82837531240).

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

61042228760 is a wasteful number, since it uses less digits than its factorization.

61042228760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666228 (or 666224 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 61042228760 in words is "sixty-one billion, forty-two million, two hundred twenty-eight thousand, seven hundred sixty".