2888661040 has 40 divisors (see below), whose sum is σ = 6897661200. Its totient is φ = 1124234496.

The previous prime is 2888661023. The next prime is 2888661049. The reversal of 2888661040 is 401668882.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2888661049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484990 + ... + 490909.

It is an arithmetic number, because the mean of its divisors is an integer number (172441530).

Almost surely, 2^2888661040 is an apocalyptic number.

2888661040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2888661040 is an abundant number, since it is smaller than the sum of its proper divisors (4009000160).

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

2888661040 is a wasteful number, since it uses less digits than its factorization.

2888661040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975949 (or 975943 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 2888661040 is about 53746.2653586275. The cubic root of 2888661040 is about 1424.1821164841.

The spelling of 2888661040 in words is "two billion, eight hundred eighty-eight million, six hundred sixty-one thousand, forty".