405716124 has 48 divisors (see below), whose sum is σ = 1049682816. Its totient is φ = 120926400.

The previous prime is 405716117. The next prime is 405716131. The reversal of 405716124 is 421617504.

It is an interprime number because it is at equal distance from previous prime (405716117) and next prime (405716131).

It is a junction number, because it is equal to n+sod(n) for n = 405716091 and 405716100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17142 + ... + 33245.

It is an arithmetic number, because the mean of its divisors is an integer number (21868392).

Almost surely, 2^405716124 is an apocalyptic number.

405716124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

405716124 is an abundant number, since it is smaller than the sum of its proper divisors (643966692).

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

405716124 is a wasteful number, since it uses less digits than its factorization.

405716124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50466 (or 50464 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 405716124 is about 20142.3961831754. The cubic root of 405716124 is about 740.2994429720.

The spelling of 405716124 in words is "four hundred five million, seven hundred sixteen thousand, one hundred twenty-four".