61610202410440 has 32 divisors (see below), whose sum is σ = 138623241314880. Its totient is φ = 24644030139072.

The previous prime is 61610202410389. The next prime is 61610202410447. The reversal of 61610202410440 is 4401420201616.

It is not an unprimeable number, because it can be changed into a prime (61610202410447) 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, 22595359 + ... + 25174801.

It is an arithmetic number, because the mean of its divisors is an integer number (4331976291090).

Almost surely, 2^{61610202410440} is an apocalyptic number.

It is an amenable number.

61610202410440 is an abundant number, since it is smaller than the sum of its proper divisors (77013038904440).

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

61610202410440 is a wasteful number, since it uses less digits than its factorization.

61610202410440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176581 (or 3176577 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 61610202410440 in words is "sixty-one trillion, six hundred ten billion, two hundred two million, four hundred ten thousand, four hundred forty".