442025619 has 48 divisors (see below), whose sum is σ = 735436800. Its totient is φ = 234614016.

The previous prime is 442025611. The next prime is 442025651. The reversal of 442025619 is 916520244.

It is not a de Polignac number, because 442025619 - 2³ = 442025611 is a prime.

It is a super-2 number, since 2×442025619² = 390773295704666322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442025619.

It is not an unprimeable number, because it can be changed into a prime (442025611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196302 + ... + 198540.

It is an arithmetic number, because the mean of its divisors is an integer number (15321600).

Almost surely, 2^442025619 is an apocalyptic number.

442025619 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

442025619 is a deficient number, since it is larger than the sum of its proper divisors (293411181).

442025619 is a wasteful number, since it uses less digits than its factorization.

442025619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 442025619 is about 21024.4053185815. The cubic root of 442025619 is about 761.7558772548.

The spelling of 442025619 in words is "four hundred forty-two million, twenty-five thousand, six hundred nineteen".