5451123140 has 48 divisors (see below), whose sum is σ = 11748793392. Its totient is φ = 2123636736.

The previous prime is 5451123109. The next prime is 5451123179. The reversal of 5451123140 is 413211545.

It can be written as a sum of positive squares in 8 ways, for example, as 12945604 + 5438177536 = 3598^2 + 73744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126452 + ... + 163988.

It is an arithmetic number, because the mean of its divisors is an integer number (244766529).

Almost surely, 2^5451123140 is an apocalyptic number.

It is an amenable number.

5451123140 is an abundant number, since it is smaller than the sum of its proper divisors (6297670252).

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

5451123140 is a wasteful number, since it uses less digits than its factorization.

5451123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37736 (or 37734 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5451123140 is about 73831.7217732324. The cubic root of 5451123140 is about 1759.9297428050.

Adding to 5451123140 its reverse (413211545), we get a palindrome (5864334685).

The spelling of 5451123140 in words is "five billion, four hundred fifty-one million, one hundred twenty-three thousand, one hundred forty".