4012040000 has 140 divisors (see below), whose sum is σ = 10474147200. Its totient is φ = 1520064000.

The previous prime is 4012039979. The next prime is 4012040009. The reversal of 4012040000 is 402104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012040009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 757361 + ... + 762639.

Almost surely, 2^4012040000 is an apocalyptic number.

4012040000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5237073600).

4012040000 is an abundant number, since it is smaller than the sum of its proper divisors (6462107200).

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

4012040000 is an equidigital number, since it uses as much as digits as its factorization.

4012040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330 (or 5305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4012040000 is about 63340.6662421544. Note that the first 3 decimals coincide. The cubic root of 4012040000 is about 1588.9921490225.

Adding to 4012040000 its reverse (402104), we get a palindrome (4012442104).

The spelling of 4012040000 in words is "four billion, twelve million, forty thousand".