405055734 has 24 divisors (see below), whose sum is σ = 837099000. Its totient is φ = 130661280.

The previous prime is 405055727. The next prime is 405055747. The reversal of 405055734 is 437550504.

It is a junction number, because it is equal to n+sod(n) for n = 405055695 and 405055704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29359 + ... + 40890.

It is an arithmetic number, because the mean of its divisors is an integer number (34879125).

Almost surely, 2^405055734 is an apocalyptic number.

405055734 is an abundant number, since it is smaller than the sum of its proper divisors (432043266).

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

405055734 is a wasteful number, since it uses less digits than its factorization.

405055734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70316 (or 70285 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 405055734 is about 20125.9964722247. The cubic root of 405055734 is about 739.8975594742.

The spelling of 405055734 in words is "four hundred five million, fifty-five thousand, seven hundred thirty-four".