405133730 has 32 divisors (see below), whose sum is σ = 785507328. Its totient is φ = 150004800.

The previous prime is 405133727. The next prime is 405133733. The reversal of 405133730 is 37331504.

It is an interprime number because it is at equal distance from previous prime (405133727) and next prime (405133733).

It is a self number, because there is not a number n which added to its sum of digits gives 405133730.

It is not an unprimeable number, because it can be changed into a prime (405133733) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21281 + ... + 35540.

It is an arithmetic number, because the mean of its divisors is an integer number (24547104).

Almost surely, 2^405133730 is an apocalyptic number.

405133730 is a deficient number, since it is larger than the sum of its proper divisors (380373598).

405133730 is a wasteful number, since it uses less digits than its factorization.

405133730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56882.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 405133730 is about 20127.9340718316. The cubic root of 405133730 is about 739.9450470515.

The spelling of 405133730 in words is "four hundred five million, one hundred thirty-three thousand, seven hundred thirty".