405122415104 has 80 divisors (see below), whose sum is σ = 921433613760. Its totient is φ = 176140124160.

The previous prime is 405122415077. The next prime is 405122415149. The reversal of 405122415104 is 401514221504.

It is a happy 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, 1434209 + ... + 1693280.

It is an arithmetic number, because the mean of its divisors is an integer number (11517920172).

Almost surely, 2^405122415104 is an apocalyptic number.

405122415104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

405122415104 is an abundant number, since it is smaller than the sum of its proper divisors (516311198656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405122415104 is a wasteful number, since it uses less digits than its factorization.

405122415104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127541 (or 3127525 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 405122415104 its reverse (401514221504), we get a palindrome (806636636608).

The spelling of 405122415104 in words is "four hundred five billion, one hundred twenty-two million, four hundred fifteen thousand, one hundred four".