442065454 has 24 divisors (see below), whose sum is σ = 679210920. Its totient is φ = 215777520.

The previous prime is 442065431. The next prime is 442065461. The reversal of 442065454 is 454560244.

It is a super-2 number, since 2×442065454² = 390843731240452232, which contains 22 as substring.

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, 1643232 + ... + 1643500.

It is an arithmetic number, because the mean of its divisors is an integer number (28300455).

Almost surely, 2^442065454 is an apocalyptic number.

442065454 is a deficient number, since it is larger than the sum of its proper divisors (237145466).

442065454 is a wasteful number, since it uses less digits than its factorization.

442065454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 442065454 is about 21025.3526486478. The cubic root of 442065454 is about 761.7787595137.

The spelling of 442065454 in words is "four hundred forty-two million, sixty-five thousand, four hundred fifty-four".