1422643155120 has 120 divisors (see below), whose sum is σ = 5212047224592. Its totient is φ = 344883187200.

The previous prime is 1422643155119. The next prime is 1422643155133. The reversal of 1422643155120 is 215513462241.

1422643155120 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 643 + 1 + 5 + 5 + 1 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89805411 + ... + 89821250.

Almost surely, 2^{1422643155120} is an apocalyptic number.

1422643155120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422643155120 is an abundant number, since it is smaller than the sum of its proper divisors (3789404069472).

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

1422643155120 is a wasteful number, since it uses less digits than its factorization.

1422643155120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179626691 (or 179626682 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1422643155120 in words is "one trillion, four hundred twenty-two billion, six hundred forty-three million, one hundred fifty-five thousand, one hundred twenty".