61760300140 has 96 divisors (see below), whose sum is σ = 161751744000. Its totient is φ = 19243768320.

The previous prime is 61760300131. The next prime is 61760300183. The reversal of 61760300140 is 4100306716.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 61760300099 and 61760300108.

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 31 ways as a sum of consecutive naturals, for example, 8018011 + ... + 8025709.

It is an arithmetic number, because the mean of its divisors is an integer number (1684914000).

Almost surely, 2^61760300140 is an apocalyptic number.

It is an amenable number.

61760300140 is an abundant number, since it is smaller than the sum of its proper divisors (99991443860).

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

61760300140 is a wasteful number, since it uses less digits than its factorization.

61760300140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935 (or 12933 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 61760300140 its reverse (4100306716), we get a palindrome (65860606856).

The spelling of 61760300140 in words is "sixty-one billion, seven hundred sixty million, three hundred thousand, one hundred forty".