1902849996240 has 240 divisors, whose sum is σ = 6780225823488. Its totient is φ = 476595892224.

The previous prime is 1902849996169. The next prime is 1902849996263. The reversal of 1902849996240 is 426999482091.

1902849996240 is a `hidden beast` number, since 19 + 0 + 2 + 8 + 499 + 96 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5801269 + ... + 6120491.

Almost surely, 2^{1902849996240} is an apocalyptic number.

1902849996240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902849996240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3390112911744).

1902849996240 is an abundant number, since it is smaller than the sum of its proper divisors (4877375827248).

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

1902849996240 is a wasteful number, since it uses less digits than its factorization.

1902849996240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319746 (or 319737 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 1902849996240 in words is "one trillion, nine hundred two billion, eight hundred forty-nine million, nine hundred ninety-six thousand, two hundred forty".