61044030 has 48 divisors (see below), whose sum is σ = 164599344. Its totient is φ = 16277760.

The previous prime is 61044019. The next prime is 61044031. The reversal of 61044030 is 3044016.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61043994 and 61044012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61044031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10131 + ... + 14990.

It is an arithmetic number, because the mean of its divisors is an integer number (3429153).

Almost surely, 2^61044030 is an apocalyptic number.

61044030 is an abundant number, since it is smaller than the sum of its proper divisors (103555314).

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

61044030 is a wasteful number, since it uses less digits than its factorization.

61044030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25143 (or 25131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61044030 is about 7813.0678993594. The cubic root of 61044030 is about 393.7444080839.

Adding to 61044030 its reverse (3044016), we get a palindrome (64088046).

The spelling of 61044030 in words is "sixty-one million, forty-four thousand, thirty".