61252190272 has 224 divisors, whose sum is σ = 166738279680. Its totient is φ = 21605253120.

The previous prime is 61252190257. The next prime is 61252190341. The reversal of 61252190272 is 27209125216.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1864872 + ... + 1897432.

It is an arithmetic number, because the mean of its divisors is an integer number (744367320).

Almost surely, 2^61252190272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61252190272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83369139840).

61252190272 is an abundant number, since it is smaller than the sum of its proper divisors (105486089408).

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

61252190272 is a wasteful number, since it uses less digits than its factorization.

61252190272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32629 (or 32619 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 61252190272 in words is "sixty-one billion, two hundred fifty-two million, one hundred ninety thousand, two hundred seventy-two".