405354052 has 48 divisors (see below), whose sum is σ = 769450752. Its totient is φ = 186152960.

The previous prime is 405354041. The next prime is 405354067. The reversal of 405354052 is 250453504.

It is a self number, because there is not a number n which added to its sum of digits gives 405354052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545193 + ... + 545935.

It is an arithmetic number, because the mean of its divisors is an integer number (16030224).

Almost surely, 2^405354052 is an apocalyptic number.

It is an amenable number.

405354052 is a deficient number, since it is larger than the sum of its proper divisors (364096700).

405354052 is a wasteful number, since it uses less digits than its factorization.

405354052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 405354052 is about 20133.4063685210. The cubic root of 405354052 is about 740.0791563730.

The spelling of 405354052 in words is "four hundred five million, three hundred fifty-four thousand, fifty-two".