1870291330040 has 128 divisors (see below), whose sum is σ = 4825001934720. Its totient is φ = 639155404800.

The previous prime is 1870291330031. The next prime is 1870291330043. The reversal of 1870291330040 is 400331920781.

It is a junction number, because it is equal to n+sod(n) for n = 1870291329976 and 1870291330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1870291330043) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 109743920 + ... + 109760960.

It is an arithmetic number, because the mean of its divisors is an integer number (37695327615).

Almost surely, 2^{1870291330040} is an apocalyptic number.

1870291330040 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 1870291330040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2412500967360).

1870291330040 is an abundant number, since it is smaller than the sum of its proper divisors (2954710604680).

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

1870291330040 is a wasteful number, since it uses less digits than its factorization.

1870291330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313 (or 18309 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 1870291330040 in words is "one trillion, eight hundred seventy billion, two hundred ninety-one million, three hundred thirty thousand, forty".