61462361272 has 64 divisors (see below), whose sum is σ = 135938476800. Its totient is φ = 25777920000.

The previous prime is 61462361269. The next prime is 61462361287. The reversal of 61462361272 is 27216326416.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 548104 + ... + 650647.

It is an arithmetic number, because the mean of its divisors is an integer number (2124038700).

Almost surely, 2^61462361272 is an apocalyptic number.

It is an amenable number.

61462361272 is an abundant number, since it is smaller than the sum of its proper divisors (74476115528).

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

61462361272 is a wasteful number, since it uses less digits than its factorization.

61462361272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198816 (or 1198812 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

Adding to 61462361272 its reverse (27216326416), we get a palindrome (88678687688).

The spelling of 61462361272 in words is "sixty-one billion, four hundred sixty-two million, three hundred sixty-one thousand, two hundred seventy-two".