61040435310 has 96 divisors (see below), whose sum is σ = 174321538560. Its totient is φ = 14750265024.

The previous prime is 61040435279. The next prime is 61040435317. The reversal of 61040435310 is 1353404016.

61040435310 is a `hidden beast` number, since 610 + 4 + 0 + 4 + 35 + 3 + 10 = 666.

It is a super-2 number, since 2×61040435310² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61040435317) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 736674 + ... + 815333.

It is an arithmetic number, because the mean of its divisors is an integer number (1815849360).

Almost surely, 2^61040435310 is an apocalyptic number.

61040435310 is an abundant number, since it is smaller than the sum of its proper divisors (113281103250).

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

61040435310 is a wasteful number, since it uses less digits than its factorization.

61040435310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552062 (or 1552059 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 61040435310 its reverse (1353404016), we get a palindrome (62393839326).

The spelling of 61040435310 in words is "sixty-one billion, forty million, four hundred thirty-five thousand, three hundred ten".