452438385 has 16 divisors (see below), whose sum is σ = 827316096. Its totient is φ = 206828928.

The previous prime is 452438347. The next prime is 452438387. The reversal of 452438385 is 583834254.

It is not a de Polignac number, because 452438385 - 2¹³ = 452430193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (452438387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2154364 + ... + 2154573.

It is an arithmetic number, because the mean of its divisors is an integer number (51707256).

Almost surely, 2^452438385 is an apocalyptic number.

It is an amenable number.

452438385 is a deficient number, since it is larger than the sum of its proper divisors (374877711).

452438385 is a wasteful number, since it uses less digits than its factorization.

452438385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308952.

The product of its digits is 460800, while the sum is 42.

The square root of 452438385 is about 21270.5990747793. The cubic root of 452438385 is about 767.6910564969.

It can be divided in two parts, 45243 and 8385, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 452438385 in words is "four hundred fifty-two million, four hundred thirty-eight thousand, three hundred eighty-five".