2894885360640 has 1584 divisors, whose sum is σ = 12833191792512. Its totient is φ = 610144026624.

The previous prime is 2894885360617. The next prime is 2894885360693. The reversal of 2894885360640 is 460635884982.

2894885360640 is a `hidden beast` number, since 2 + 8 + 9 + 488 + 53 + 60 + 6 + 40 = 666.

It is a super-2 number, since 2×2894885360640² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3056900647 + ... + 3056901593.

Almost surely, 2^{2894885360640} is an apocalyptic number.

2894885360640 is a gapful number since it is divisible by the number (20) 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 2894885360640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6416595896256).

2894885360640 is an abundant number, since it is smaller than the sum of its proper divisors (9938306431872).

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

2894885360640 is an frugal number, since it uses more digits than its factorization.

2894885360640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 2894885360640 in words is "two trillion, eight hundred ninety-four billion, eight hundred eighty-five million, three hundred sixty thousand, six hundred forty".