7431044157 has 12 divisors (see below), whose sum is σ = 10771932444. Its totient is φ = 4936397760.

The previous prime is 7431044149. The next prime is 7431044161. The reversal of 7431044157 is 7514401347.

It can be written as a sum of positive squares in 2 ways, for example, as 3028190841 + 4402853316 = 55029^2 + 66354^2 .

It is not a de Polignac number, because 7431044157 - 2³ = 7431044149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7431044107) 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, 1466638 + ... + 1471695.

It is an arithmetic number, because the mean of its divisors is an integer number (897661037).

Almost surely, 2^7431044157 is an apocalyptic number.

It is an amenable number.

7431044157 is a deficient number, since it is larger than the sum of its proper divisors (3340888287).

7431044157 is a wasteful number, since it uses less digits than its factorization.

7431044157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938620 (or 2938617 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 7431044157 is about 86203.5043197201. The cubic root of 7431044157 is about 1951.4163855527.

The spelling of 7431044157 in words is "seven billion, four hundred thirty-one million, forty-four thousand, one hundred fifty-seven".