405011082 has 32 divisors (see below), whose sum is σ = 934243200. Its totient is φ = 114654528.

The previous prime is 405011059. The next prime is 405011083. The reversal of 405011082 is 280110504.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (405011083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39657 + ... + 48812.

It is an arithmetic number, because the mean of its divisors is an integer number (29195100).

Almost surely, 2^405011082 is an apocalyptic number.

405011082 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

405011082 is an abundant number, since it is smaller than the sum of its proper divisors (529232118).

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

405011082 is a wasteful number, since it uses less digits than its factorization.

405011082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88590.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 405011082 is about 20124.8871301183. The cubic root of 405011082 is about 739.8703705246.

Adding to 405011082 its reverse (280110504), we get a palindrome (685121586).

The spelling of 405011082 in words is "four hundred five million, eleven thousand, eighty-two".