442470228487 has 24 divisors (see below), whose sum is σ = 539244003840. Its totient is φ = 361547912880.

The previous prime is 442470228467. The next prime is 442470228553. The reversal of 442470228487 is 784822074244.

It is a happy number.

It is not a de Polignac number, because 442470228487 - 2¹⁹ = 442469704199 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 (442470228427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2072037 + ... + 2275582.

It is an arithmetic number, because the mean of its divisors is an integer number (22468500160).

Almost surely, 2^442470228487 is an apocalyptic number.

442470228487 is a deficient number, since it is larger than the sum of its proper divisors (96773775353).

442470228487 is a wasteful number, since it uses less digits than its factorization.

442470228487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347731 (or 4347724 counting only the distinct ones).

The product of its (nonzero) digits is 6422528, while the sum is 52.

The spelling of 442470228487 in words is "four hundred forty-two billion, four hundred seventy million, two hundred twenty-eight thousand, four hundred eighty-seven".