405132054 has 16 divisors (see below), whose sum is σ = 811399680. Its totient is φ = 134854760.

The previous prime is 405132037. The next prime is 405132061. The reversal of 405132054 is 450231504.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 42642 + ... + 51269.

It is an arithmetic number, because the mean of its divisors is an integer number (50712480).

Almost surely, 2^405132054 is an apocalyptic number.

405132054 is an abundant number, since it is smaller than the sum of its proper divisors (406267626).

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

405132054 is a wasteful number, since it uses less digits than its factorization.

405132054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94635.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 405132054 is about 20127.8924381069. The cubic root of 405132054 is about 739.9440266891.

Adding to 405132054 its reverse (450231504), we get a palindrome (855363558).

The spelling of 405132054 in words is "four hundred five million, one hundred thirty-two thousand, fifty-four".