4055257519812 has 30 divisors (see below), whose sum is σ = 10601244196158. Its totient is φ = 1351752506496.

The previous prime is 4055257519811. The next prime is 4055257519883. The reversal of 4055257519812 is 2189157525504.

It is a happy number.

4055257519812 is a `hidden beast` number, since 4 + 0 + 5 + 52 + 575 + 1 + 9 + 8 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3552599207556 + 502658312256 = 1884834^2 + 708984^2 .

It is a super-2 number, since 2×4055257519812² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4055257519811) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6258113133 + ... + 6258113780.

Almost surely, 2^{4055257519812} is an apocalyptic number.

It is an amenable number.

4055257519812 is an abundant number, since it is smaller than the sum of its proper divisors (6545986676346).

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

4055257519812 is a wasteful number, since it uses less digits than its factorization.

4055257519812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516226929 (or 12516226918 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 54.

The spelling of 4055257519812 in words is "four trillion, fifty-five billion, two hundred fifty-seven million, five hundred nineteen thousand, eight hundred twelve".