2894990878140 has 48 divisors (see below), whose sum is σ = 8385490824480. Its totient is φ = 745376961280.

The previous prime is 2894990878103. The next prime is 2894990878141. The reversal of 2894990878140 is 418780994982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894990878141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831892191 + ... + 831895670.

It is an arithmetic number, because the mean of its divisors is an integer number (174697725510).

Almost surely, 2^{2894990878140} is an apocalyptic number.

2894990878140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2894990878140 is an abundant number, since it is smaller than the sum of its proper divisors (5490499946340).

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

2894990878140 is a wasteful number, since it uses less digits than its factorization.

2894990878140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663787902 (or 1663787900 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 69.

The spelling of 2894990878140 in words is "two trillion, eight hundred ninety-four billion, nine hundred ninety million, eight hundred seventy-eight thousand, one hundred forty".