2870740840 has 32 divisors (see below), whose sum is σ = 7046364960. Its totient is φ = 1043905600.

The previous prime is 2870740801. The next prime is 2870740849. The reversal of 2870740840 is 480470782.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2870740793 and 2870740802.

It is not an unprimeable number, because it can be changed into a prime (2870740849) 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, 3261766 + ... + 3262645.

It is an arithmetic number, because the mean of its divisors is an integer number (220198905).

Almost surely, 2^2870740840 is an apocalyptic number.

2870740840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2870740840 is an abundant number, since it is smaller than the sum of its proper divisors (4175624120).

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

2870740840 is a wasteful number, since it uses less digits than its factorization.

2870740840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524433 (or 6524429 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 2870740840 is about 53579.2948815118. The cubic root of 2870740840 is about 1421.2309698824.

The spelling of 2870740840 in words is "two billion, eight hundred seventy million, seven hundred forty thousand, eight hundred forty".