2557724241320 has 16 divisors (see below), whose sum is σ = 5754879543060. Its totient is φ = 1023089696512.

The previous prime is 2557724241307. The next prime is 2557724241349. The reversal of 2557724241320 is 231424277552.

It can be written as a sum of positive squares in 2 ways, for example, as 2505262171204 + 52462070116 = 1582802^2 + 229046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31971552977 + ... + 31971553056.

Almost surely, 2^{2557724241320} is an apocalyptic number.

2557724241320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557724241320 is an abundant number, since it is smaller than the sum of its proper divisors (3197155301740).

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

2557724241320 is a wasteful number, since it uses less digits than its factorization.

2557724241320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63943106044 (or 63943106040 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 2557724241320 in words is "two trillion, five hundred fifty-seven billion, seven hundred twenty-four million, two hundred forty-one thousand, three hundred twenty".