61733210540 has 12 divisors (see below), whose sum is σ = 129639742176. Its totient is φ = 24693284208.

The previous prime is 61733210533. The next prime is 61733210557. The reversal of 61733210540 is 4501233716.

It is a junction number, because it is equal to n+sod(n) for n = 61733210497 and 61733210506.

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 3 ways as a sum of consecutive naturals, for example, 1543330244 + ... + 1543330283.

It is an arithmetic number, because the mean of its divisors is an integer number (10803311848).

Almost surely, 2^61733210540 is an apocalyptic number.

It is an amenable number.

61733210540 is an abundant number, since it is smaller than the sum of its proper divisors (67906531636).

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

61733210540 is a wasteful number, since it uses less digits than its factorization.

61733210540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086660536 (or 3086660534 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 61733210540 in words is "sixty-one billion, seven hundred thirty-three million, two hundred ten thousand, five hundred forty".