405774048 has 48 divisors (see below), whose sum is σ = 1091146896. Its totient is φ = 131957760.

The previous prime is 405774029. The next prime is 405774091. The reversal of 405774048 is 840477504.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 405773997 and 405774015.

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, 47611 + ... + 55482.

It is an arithmetic number, because the mean of its divisors is an integer number (22732227).

Almost surely, 2^405774048 is an apocalyptic number.

405774048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

405774048 is an abundant number, since it is smaller than the sum of its proper divisors (685372848).

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

405774048 is a wasteful number, since it uses less digits than its factorization.

405774048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103147 (or 103139 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 405774048 is about 20143.8339945503. The cubic root of 405774048 is about 740.3346720906.

The spelling of 405774048 in words is "four hundred five million, seven hundred seventy-four thousand, forty-eight".