61433536340 has 24 divisors (see below), whose sum is σ = 140738647392. Its totient is φ = 22339467680.

The previous prime is 61433536277. The next prime is 61433536357. The reversal of 61433536340 is 4363533416.

It is a junction number, because it is equal to n+sod(n) for n = 61433536294 and 61433536303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139621454 + ... + 139621893.

It is an arithmetic number, because the mean of its divisors is an integer number (5864110308).

Almost surely, 2^61433536340 is an apocalyptic number.

It is an amenable number.

61433536340 is an abundant number, since it is smaller than the sum of its proper divisors (79305111052).

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

61433536340 is a wasteful number, since it uses less digits than its factorization.

61433536340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279243367 (or 279243365 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 61433536340 in words is "sixty-one billion, four hundred thirty-three million, five hundred thirty-six thousand, three hundred forty".