4033121240 has 32 divisors (see below), whose sum is σ = 9083400480. Its totient is φ = 1611670272.

The previous prime is 4033121227. The next prime is 4033121243. The reversal of 4033121240 is 421213304.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033121243) 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, 7484 + ... + 90123.

It is an arithmetic number, because the mean of its divisors is an integer number (283856265).

Almost surely, 2^4033121240 is an apocalyptic number.

4033121240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4033121240 is an abundant number, since it is smaller than the sum of its proper divisors (5050279240).

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

4033121240 is a wasteful number, since it uses less digits than its factorization.

4033121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98651 (or 98647 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4033121240 is about 63506.8597869553. The cubic root of 4033121240 is about 1591.7704051364.

Adding to 4033121240 its reverse (421213304), we get a palindrome (4454334544).

The spelling of 4033121240 in words is "four billion, thirty-three million, one hundred twenty-one thousand, two hundred forty".