1902259053140 has 24 divisors (see below), whose sum is σ = 3994772417160. Its totient is φ = 760898210688.

The previous prime is 1902259053113. The next prime is 1902259053199. The reversal of 1902259053140 is 413509522091.

It can be written as a sum of positive squares in 4 ways, for example, as 242109266116 + 1660149787024 = 492046^2 + 1288468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750626 + ... + 4227494.

It is an arithmetic number, because the mean of its divisors is an integer number (166448850715).

Almost surely, 2^{1902259053140} is an apocalyptic number.

1902259053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1902259053140 is an abundant number, since it is smaller than the sum of its proper divisors (2092513364020).

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

1902259053140 is a wasteful number, since it uses less digits than its factorization.

1902259053140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676331 (or 676329 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 1902259053140 in words is "one trillion, nine hundred two billion, two hundred fifty-nine million, fifty-three thousand, one hundred forty".