44987642 has 16 divisors (see below), whose sum is σ = 79781760. Its totient is φ = 18615408.

The previous prime is 44987623. The next prime is 44987647. The reversal of 44987642 is 24678944.

It is a junction number, because it is equal to n+sod(n) for n = 44987593 and 44987602.

It is not an unprimeable number, because it can be changed into a prime (44987647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54998 + ... + 55809.

It is an arithmetic number, because the mean of its divisors is an integer number (4986360).

Almost surely, 2^44987642 is an apocalyptic number.

44987642 is a deficient number, since it is larger than the sum of its proper divisors (34794118).

44987642 is a wasteful number, since it uses less digits than its factorization.

44987642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110845.

The product of its digits is 387072, while the sum is 44.

The square root of 44987642 is about 6707.2827583158. The cubic root of 44987642 is about 355.6567674032.

The spelling of 44987642 in words is "forty-four million, nine hundred eighty-seven thousand, six hundred forty-two".