2894332640 has 48 divisors (see below), whose sum is σ = 6849731952. Its totient is φ = 1155723264.

The previous prime is 2894332607. The next prime is 2894332687. The reversal of 2894332640 is 462334982.

It is a happy number.

It is a super-2 number, since 2×2894332640² = 16754322861938739200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78512 + ... + 109328.

It is an arithmetic number, because the mean of its divisors is an integer number (142702749).

Almost surely, 2^2894332640 is an apocalyptic number.

2894332640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2894332640 is an abundant number, since it is smaller than the sum of its proper divisors (3955399312).

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

2894332640 is a wasteful number, since it uses less digits than its factorization.

2894332640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31419 (or 31411 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2894332640 is about 53799.0022212308. The cubic root of 2894332640 is about 1425.1135873343.

The spelling of 2894332640 in words is "two billion, eight hundred ninety-four million, three hundred thirty-two thousand, six hundred forty".