61120444 has 36 divisors (see below), whose sum is σ = 135739800. Its totient is φ = 23812320.

The previous prime is 61120441. The next prime is 61120459. The reversal of 61120444 is 44402116.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61120441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12019 + ... + 16330.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^61120444 is an apocalyptic number.

It is an amenable number.

61120444 is an abundant number, since it is smaller than the sum of its proper divisors (74619356).

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

61120444 is a wasteful number, since it uses less digits than its factorization.

61120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378 (or 28369 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 61120444 is about 7817.9565104956. The cubic root of 61120444 is about 393.9086340233.

The spelling of 61120444 in words is "sixty-one million, one hundred twenty thousand, four hundred forty-four".