1463139855228 has 48 divisors (see below), whose sum is σ = 3437273750400. Its totient is φ = 484388165184.

The previous prime is 1463139855211. The next prime is 1463139855259. The reversal of 1463139855228 is 8225589313641.

It is a super-2 number, since 2×1463139855228² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 18962575 + ... + 19039577.

It is an arithmetic number, because the mean of its divisors is an integer number (71609869800).

Almost surely, 2^{1463139855228} is an apocalyptic number.

It is an amenable number.

1463139855228 is an abundant number, since it is smaller than the sum of its proper divisors (1974133895172).

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

1463139855228 is a wasteful number, since it uses less digits than its factorization.

1463139855228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87786 (or 87784 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The spelling of 1463139855228 in words is "one trillion, four hundred sixty-three billion, one hundred thirty-nine million, eight hundred fifty-five thousand, two hundred twenty-eight".