4257781213380 has 48 divisors (see below), whose sum is σ = 11925489207744. Its totient is φ = 1135055770240.

The previous prime is 4257781213369. The next prime is 4257781213381. The reversal of 4257781213380 is 833121877524.

It is a super-2 number, since 2×4257781213380² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4257781213381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10822422 + ... + 11208941.

It is an arithmetic number, because the mean of its divisors is an integer number (248447691828).

Almost surely, 2^{4257781213380} is an apocalyptic number.

It is an amenable number.

4257781213380 is an abundant number, since it is smaller than the sum of its proper divisors (7667707994364).

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

4257781213380 is a wasteful number, since it uses less digits than its factorization.

4257781213380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034596 (or 22034594 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 4257781213380 in words is "four trillion, two hundred fifty-seven billion, seven hundred eighty-one million, two hundred thirteen thousand, three hundred eighty".