4122002040 has 128 divisors (see below), whose sum is σ = 13896368640. Its totient is φ = 970523136.

The previous prime is 4122002009. The next prime is 4122002047. The reversal of 4122002040 is 402002214.

4122002040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122002047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21562 + ... + 93321.

It is an arithmetic number, because the mean of its divisors is an integer number (108565380).

Almost surely, 2^4122002040 is an apocalyptic number.

4122002040 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 4122002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6948184320).

4122002040 is an abundant number, since it is smaller than the sum of its proper divisors (9774366600).

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

4122002040 is a wasteful number, since it uses less digits than its factorization.

4122002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114933 (or 114929 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4122002040 is about 64202.8195642528. The cubic root of 4122002040 is about 1603.3785431740.

Adding to 4122002040 its reverse (402002214), we get a palindrome (4524004254).

The spelling of 4122002040 in words is "four billion, one hundred twenty-two million, two thousand, forty".