61245360484 has 81 divisors (see below), whose sum is σ = 137128152819. Its totient is φ = 23846980080.

The previous prime is 61245360461. The next prime is 61245360509. The reversal of 61245360484 is 48406354216.

The square root of 61245360484 is 247478.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 61245360484.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 38110809 + ... + 38112415.

Almost surely, 2^61245360484 is an apocalyptic number.

61245360484 is the 247478-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61245360484

61245360484 is an abundant number, since it is smaller than the sum of its proper divisors (75882792335).

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

61245360484 is a wasteful number, since it uses less digits than its factorization.

61245360484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 61245360484 in words is "sixty-one billion, two hundred forty-five million, three hundred sixty thousand, four hundred eighty-four".