405442701 has 12 divisors (see below), whose sum is σ = 589519840. Its totient is φ = 268504200.

The previous prime is 405442699. The next prime is 405442703. The reversal of 405442701 is 107244504.

It is an interprime number because it is at equal distance from previous prime (405442699) and next prime (405442703).

It is not a de Polignac number, because 405442701 - 2¹ = 405442699 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405442703) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 147811 + ... + 150528.

Almost surely, 2^405442701 is an apocalyptic number.

It is an amenable number.

405442701 is a deficient number, since it is larger than the sum of its proper divisors (184077139).

405442701 is a wasteful number, since it uses less digits than its factorization.

405442701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298496 (or 298493 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 405442701 is about 20135.6077881945. The cubic root of 405442701 is about 740.1331030358.

The spelling of 405442701 in words is "four hundred five million, four hundred forty-two thousand, seven hundred one".