61502322042 has 96 divisors (see below), whose sum is σ = 163024243200. Its totient is φ = 16365050784.

The previous prime is 61502322019. The next prime is 61502322047. The reversal of 61502322042 is 24022320516.

It is a happy number.

61502322042 is a `hidden beast` number, since 615 + 0 + 2 + 3 + 2 + 2 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61502321997 and 61502322015.

It is not an unprimeable number, because it can be changed into a prime (61502322047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76468 + ... + 358959.

It is an arithmetic number, because the mean of its divisors is an integer number (1698169200).

Almost surely, 2^61502322042 is an apocalyptic number.

61502322042 is an abundant number, since it is smaller than the sum of its proper divisors (101521921158).

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

61502322042 is a wasteful number, since it uses less digits than its factorization.

61502322042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435520 (or 435517 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 61502322042 its reverse (24022320516), we get a palindrome (85524642558).

The spelling of 61502322042 in words is "sixty-one billion, five hundred two million, three hundred twenty-two thousand, forty-two".