61012444 has 12 divisors (see below), whose sum is σ = 108522568. Its totient is φ = 30006000.

The previous prime is 61012421. The next prime is 61012447. The reversal of 61012444 is 44421016.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61012447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124782 + ... + 125269.

Almost surely, 2^61012444 is an apocalyptic number.

It is an amenable number.

61012444 is a deficient number, since it is larger than the sum of its proper divisors (47510124).

61012444 is a wasteful number, since it uses less digits than its factorization.

61012444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250116 (or 250114 counting only the distinct ones).

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

The square root of 61012444 is about 7811.0462807488. The cubic root of 61012444 is about 393.6764846710.

The spelling of 61012444 in words is "sixty-one million, twelve thousand, four hundred forty-four".