61880244 has 24 divisors (see below), whose sum is σ = 145118400. Its totient is φ = 20522304.

The previous prime is 61880227. The next prime is 61880257. The reversal of 61880244 is 44208816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10569 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (6046600).

Almost surely, 2^61880244 is an apocalyptic number.

It is an amenable number.

61880244 is an abundant number, since it is smaller than the sum of its proper divisors (83238156).

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

61880244 is a wasteful number, since it uses less digits than its factorization.

61880244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26119 (or 26117 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 61880244 is about 7866.3996847351. The cubic root of 61880244 is about 395.5341680820.

The spelling of 61880244 in words is "sixty-one million, eight hundred eighty thousand, two hundred forty-four".