442877340 has 48 divisors (see below), whose sum is σ = 1252113408. Its totient is φ = 116952384.

The previous prime is 442877317. The next prime is 442877389. The reversal of 442877340 is 43778244.

It is a super-3 number, since 3×442877340³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29652 + ... + 42011.

It is an arithmetic number, because the mean of its divisors is an integer number (26085696).

Almost surely, 2^442877340 is an apocalyptic number.

It is an amenable number.

442877340 is an abundant number, since it is smaller than the sum of its proper divisors (809236068).

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

442877340 is a wasteful number, since it uses less digits than its factorization.

442877340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71778 (or 71776 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 442877340 is about 21044.6511018833. The cubic root of 442877340 is about 762.2448287074.

The spelling of 442877340 in words is "four hundred forty-two million, eight hundred seventy-seven thousand, three hundred forty".