7440124228 has 12 divisors (see below), whose sum is σ = 13023067372. Its totient is φ = 3719247840.

The previous prime is 7440124213. The next prime is 7440124229. The reversal of 7440124228 is 8224210447.

It can be written as a sum of positive squares in 2 ways, for example, as 5332212484 + 2107911744 = 73022^2 + 45912^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7440124193 and 7440124202.

It is not an unprimeable number, because it can be changed into a prime (7440124229) 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, 182775 + ... + 219742.

Almost surely, 2^7440124228 is an apocalyptic number.

It is an amenable number.

7440124228 is a deficient number, since it is larger than the sum of its proper divisors (5582943144).

7440124228 is a wasteful number, since it uses less digits than its factorization.

7440124228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407142 (or 407140 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 7440124228 is about 86256.1547253296. The cubic root of 7440124228 is about 1952.2108807740.

The spelling of 7440124228 in words is "seven billion, four hundred forty million, one hundred twenty-four thousand, two hundred twenty-eight".