4442691870 has 24 divisors (see below), whose sum is σ = 11550999096. Its totient is φ = 1184717808.

The previous prime is 4442691857. The next prime is 4442691901. The reversal of 4442691870 is 781962444.

4442691870 is a `hidden beast` number, since 44 + 426 + 9 + 187 + 0 = 666.

It is a super-2 number, since 2×4442691870² = 39475022103528193800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24681532 + ... + 24681711.

It is an arithmetic number, because the mean of its divisors is an integer number (481291629).

Almost surely, 2^4442691870 is an apocalyptic number.

4442691870 is an abundant number, since it is smaller than the sum of its proper divisors (7108307226).

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

4442691870 is a wasteful number, since it uses less digits than its factorization.

4442691870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49363256 (or 49363253 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 4442691870 is about 66653.5210622815. The cubic root of 4442691870 is about 1643.9252434617.

The spelling of 4442691870 in words is "four billion, four hundred forty-two million, six hundred ninety-one thousand, eight hundred seventy".