446420429 has 72 divisors (see below), whose sum is σ = 608836608. Its totient is φ = 325503360.

The previous prime is 446420393. The next prime is 446420441. The reversal of 446420429 is 924024644.

It is not a de Polignac number, because 446420429 - 2¹⁶ = 446354893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446420479) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9498284 + ... + 9498330.

It is an arithmetic number, because the mean of its divisors is an integer number (8456064).

Almost surely, 2^446420429 is an apocalyptic number.

446420429 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

446420429 is a deficient number, since it is larger than the sum of its proper divisors (162416179).

446420429 is a wasteful number, since it uses less digits than its factorization.

446420429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 446420429 is about 21128.6636823061. The cubic root of 446420429 is about 764.2721252457.

The spelling of 446420429 in words is "four hundred forty-six million, four hundred twenty thousand, four hundred twenty-nine".