405011112 has 32 divisors (see below), whose sum is σ = 1104576480. Its totient is φ = 122730560.

The previous prime is 405011093. The next prime is 405011119. The reversal of 405011112 is 211110504.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 405011091 and 405011100.

It is not an unprimeable number, because it can be changed into a prime (405011119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766803 + ... + 767330.

It is an arithmetic number, because the mean of its divisors is an integer number (34518015).

Almost surely, 2^405011112 is an apocalyptic number.

It is an amenable number.

405011112 is an abundant number, since it is smaller than the sum of its proper divisors (699565368).

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

405011112 is a wasteful number, since it uses less digits than its factorization.

405011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534153 (or 1534149 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 405011112 is about 20124.8878754641. The cubic root of 405011112 is about 739.8703887925.

Adding to 405011112 its reverse (211110504), we get a palindrome (616121616).

The spelling of 405011112 in words is "four hundred five million, eleven thousand, one hundred twelve".