1872047600442 has 12 divisors (see below), whose sum is σ = 4056103134330. Its totient is φ = 624015866808.

The previous prime is 1872047600431. The next prime is 1872047600453. The reversal of 1872047600442 is 2440067402781.

1872047600442 is a `hidden beast` number, since 18 + 7 + 20 + 4 + 7 + 600 + 4 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1872047600431) and next prime (1872047600453).

It can be written as a sum of positive squares in only one way, i.e., 1006572764961 + 865474835481 = 1003281^2 + 930309^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52001322217 + ... + 52001322252.

Almost surely, 2^{1872047600442} is an apocalyptic number.

1872047600442 is an abundant number, since it is smaller than the sum of its proper divisors (2184055533888).

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

1872047600442 is a wasteful number, since it uses less digits than its factorization.

1872047600442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104002644477 (or 104002644474 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 1872047600442 in words is "one trillion, eight hundred seventy-two billion, forty-seven million, six hundred thousand, four hundred forty-two".