2124913540 has 24 divisors (see below), whose sum is σ = 4463386200. Its totient is φ = 849762048.

The previous prime is 2124913523. The next prime is 2124913543. The reversal of 2124913540 is 453194212.

It can be written as a sum of positive squares in 4 ways, for example, as 183277444 + 1941636096 = 13538^2 + 44064^2 .

It is not an unprimeable number, because it can be changed into a prime (2124913543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95386 + ... + 115534.

It is an arithmetic number, because the mean of its divisors is an integer number (185974425).

Almost surely, 2^2124913540 is an apocalyptic number.

2124913540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124913540 is an abundant number, since it is smaller than the sum of its proper divisors (2338472660).

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

2124913540 is a wasteful number, since it uses less digits than its factorization.

2124913540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25431 (or 25429 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2124913540 is about 46096.7844865561. The cubic root of 2124913540 is about 1285.6233587784.

The spelling of 2124913540 in words is "two billion, one hundred twenty-four million, nine hundred thirteen thousand, five hundred forty".