4521202040 has 16 divisors (see below), whose sum is σ = 10172704680. Its totient is φ = 1808480800.

The previous prime is 4521202031. The next prime is 4521202043. The reversal of 4521202040 is 402021254.

It is a happy number.

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 (4521202043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56514986 + ... + 56515065.

Almost surely, 2^4521202040 is an apocalyptic number.

4521202040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4521202040 is an abundant number, since it is smaller than the sum of its proper divisors (5651502640).

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

4521202040 is a wasteful number, since it uses less digits than its factorization.

4521202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113030062 (or 113030058 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4521202040 is about 67239.8842949629. The cubic root of 4521202040 is about 1653.5524367463.

Adding to 4521202040 its reverse (402021254), we get a palindrome (4923223294).

The spelling of 4521202040 in words is "four billion, five hundred twenty-one million, two hundred two thousand, forty".