61436072244 has 24 divisors (see below), whose sum is σ = 143485720000. Its totient is φ = 20459421504.

The previous prime is 61436072237. The next prime is 61436072249. The reversal of 61436072244 is 44227063416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61436072249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2395369 + ... + 2420880.

Almost surely, 2^61436072244 is an apocalyptic number.

It is an amenable number.

61436072244 is an abundant number, since it is smaller than the sum of its proper divisors (82049647756).

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

61436072244 is a wasteful number, since it uses less digits than its factorization.

61436072244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817319 (or 4817317 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 61436072244 in words is "sixty-one billion, four hundred thirty-six million, seventy-two thousand, two hundred forty-four".