442423350 has 48 divisors (see below), whose sum is σ = 1219125840. Its totient is φ = 117979200.

The previous prime is 442423349. The next prime is 442423409. The reversal of 442423350 is 53324244.

442423350 is a `hidden beast` number, since 4 + 424 + 233 + 5 + 0 = 666.

It is a super-3 number, since 3×442423350³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162511 + ... + 165210.

It is an arithmetic number, because the mean of its divisors is an integer number (25398455).

Almost surely, 2^442423350 is an apocalyptic number.

442423350 is an abundant number, since it is smaller than the sum of its proper divisors (776702490).

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

442423350 is a wasteful number, since it uses less digits than its factorization.

442423350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327742 (or 327731 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 442423350 is about 21033.8619849042. The cubic root of 442423350 is about 761.9842826444.

Adding to 442423350 its reverse (53324244), we get a palindrome (495747594).

The spelling of 442423350 in words is "four hundred forty-two million, four hundred twenty-three thousand, three hundred fifty".