402453405 has 24 divisors (see below), whose sum is σ = 699079680. Its totient is φ = 214182240.

The previous prime is 402453367. The next prime is 402453407. The reversal of 402453405 is 504354204.

It is not a de Polignac number, because 402453405 - 2⁶ = 402453341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402453407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12220 + ... + 30890.

It is an arithmetic number, because the mean of its divisors is an integer number (29128320).

Almost surely, 2^402453405 is an apocalyptic number.

402453405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

402453405 is a deficient number, since it is larger than the sum of its proper divisors (296626275).

402453405 is a wasteful number, since it uses less digits than its factorization.

402453405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19161 (or 19158 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 402453405 is about 20061.2413623883. The cubic root of 402453405 is about 738.3096338814.

The spelling of 402453405 in words is "four hundred two million, four hundred fifty-three thousand, four hundred five".