42643404415 has 8 divisors (see below), whose sum is σ = 51173405568. Its totient is φ = 34113843360.

The previous prime is 42643404361. The next prime is 42643404451. The reversal of 42643404415 is 51440434624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42643404415 - 2⁹ = 42643403903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166194 + ... + 336016.

It is an arithmetic number, because the mean of its divisors is an integer number (6396675696).

Almost surely, 2^42643404415 is an apocalyptic number.

42643404415 is a deficient number, since it is larger than the sum of its proper divisors (8530001153).

42643404415 is a wasteful number, since it uses less digits than its factorization.

42643404415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220049.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 42643404415 in words is "forty-two billion, six hundred forty-three million, four hundred four thousand, four hundred fifteen".