42444700 has 36 divisors (see below), whose sum is σ = 92415960. Its totient is φ = 16920640.

The previous prime is 42444691. The next prime is 42444707. The reversal of 42444700 is 744424.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444707) 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, 41394 + ... + 42406.

It is an arithmetic number, because the mean of its divisors is an integer number (2567110).

Almost surely, 2^42444700 is an apocalyptic number.

It is an amenable number.

42444700 is an abundant number, since it is smaller than the sum of its proper divisors (49971260).

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

42444700 is a wasteful number, since it uses less digits than its factorization.

42444700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 42444700 is about 6514.9597082407. The cubic root of 42444700 is about 348.8251766013.

The spelling of 42444700 in words is "forty-two million, four hundred forty-four thousand, seven hundred".