4540155224 has 48 divisors (see below), whose sum is σ = 9366046200. Its totient is φ = 2061720320.

The previous prime is 4540155223. The next prime is 4540155227. The reversal of 4540155224 is 4225510454.

It is a super-2 number, since 2×4540155224² = 41226018916028980352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540155223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1565744 + ... + 1568640.

Almost surely, 2^4540155224 is an apocalyptic number.

4540155224 is a gapful number since it is divisible by the number (44) 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 4540155224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4683023100).

4540155224 is an abundant number, since it is smaller than the sum of its proper divisors (4825890976).

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

4540155224 is a wasteful number, since it uses less digits than its factorization.

4540155224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 4540155224 is about 67380.6739651660. The cubic root of 4540155224 is about 1655.8598166399.

Adding to 4540155224 its reverse (4225510454), we get a palindrome (8765665678).

The spelling of 4540155224 in words is "four billion, five hundred forty million, one hundred fifty-five thousand, two hundred twenty-four".