61094340480 has 64 divisors (see below), whose sum is σ = 194738216400. Its totient is φ = 16291823616.

The previous prime is 61094340469. The next prime is 61094340481. The reversal of 61094340480 is 8404349016.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61094340481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15908065 + ... + 15911904.

Almost surely, 2^61094340480 is an apocalyptic number.

61094340480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61094340480 is an abundant number, since it is smaller than the sum of its proper divisors (133643875920).

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

61094340480 is a wasteful number, since it uses less digits than its factorization.

61094340480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31819991 (or 31819979 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

Adding to 61094340480 its reverse (8404349016), we get a palindrome (69498689496).

The spelling of 61094340480 in words is "sixty-one billion, ninety-four million, three hundred forty thousand, four hundred eighty".