2142858409290 has 80 divisors (see below), whose sum is σ = 5790862915200. Its totient is φ = 568557364320.

The previous prime is 2142858409283. The next prime is 2142858409297. The reversal of 2142858409290 is 929048582412.

2142858409290 is a `hidden beast` number, since 2 + 1 + 428 + 5 + 8 + 40 + 92 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (2142858409283) and next prime (2142858409297).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2142858409297) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6485806 + ... + 6808185.

It is an arithmetic number, because the mean of its divisors is an integer number (72385786440).

Almost surely, 2^{2142858409290} is an apocalyptic number.

2142858409290 is an abundant number, since it is smaller than the sum of its proper divisors (3648004505910).

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

2142858409290 is a wasteful number, since it uses less digits than its factorization.

2142858409290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294209 (or 13294200 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 2142858409290 in words is "two trillion, one hundred forty-two billion, eight hundred fifty-eight million, four hundred nine thousand, two hundred ninety".