1428350155944 has 64 divisors (see below), whose sum is σ = 3586839278400. Its totient is φ = 473991630336.

The previous prime is 1428350155927. The next prime is 1428350155949. The reversal of 1428350155944 is 4495510538241.

It is a super-2 number, since 2×1428350155944² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1428350155949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6594927 + ... + 6808065.

It is an arithmetic number, because the mean of its divisors is an integer number (56044363725).

Almost surely, 2^{1428350155944} is an apocalyptic number.

It is an amenable number.

1428350155944 is an abundant number, since it is smaller than the sum of its proper divisors (2158489122456).

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

1428350155944 is a wasteful number, since it uses less digits than its factorization.

1428350155944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214394 (or 214390 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 1428350155944 in words is "one trillion, four hundred twenty-eight billion, three hundred fifty million, one hundred fifty-five thousand, nine hundred forty-four".