2867778019040 has 96 divisors (see below), whose sum is σ = 7391594256480. Its totient is φ = 1042751027200.

The previous prime is 2867778019013. The next prime is 2867778019049. The reversal of 2867778019040 is 409108777682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867778019049) 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, 27158666 + ... + 27264054.

It is an arithmetic number, because the mean of its divisors is an integer number (76995773505).

Almost surely, 2^{2867778019040} is an apocalyptic number.

2867778019040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2867778019040 is an abundant number, since it is smaller than the sum of its proper divisors (4523816237440).

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

2867778019040 is a wasteful number, since it uses less digits than its factorization.

2867778019040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120876 (or 120868 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 2867778019040 in words is "two trillion, eight hundred sixty-seven billion, seven hundred seventy-eight million, nineteen thousand, forty".