801520419 has 16 divisors (see below), whose sum is σ = 1241388800. Its totient is φ = 450502560.

The previous prime is 801520417. The next prime is 801520427. The reversal of 801520419 is 914025108.

It is a happy number.

It is not a de Polignac number, because 801520419 - 2¹ = 801520417 is a prime.

It is a super-2 number, since 2×801520419² = 1284869964147871122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801520411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311569 + ... + 314130.

It is an arithmetic number, because the mean of its divisors is an integer number (77586800).

Almost surely, 2^801520419 is an apocalyptic number.

801520419 is a deficient number, since it is larger than the sum of its proper divisors (439868381).

801520419 is a wasteful number, since it uses less digits than its factorization.

801520419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625770.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 801520419 is about 28311.1359538963. The cubic root of 801520419 is about 928.9054912059.

The spelling of 801520419 in words is "eight hundred one million, five hundred twenty thousand, four hundred nineteen".