2860749840 has 80 divisors (see below), whose sum is σ = 9550513728. Its totient is φ = 704183808.

The previous prime is 2860749811. The next prime is 2860749869. The reversal of 2860749840 is 489470682.

It is an interprime number because it is at equal distance from previous prime (2860749811) and next prime (2860749869).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2860749840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455334 + ... + 461573.

Almost surely, 2^2860749840 is an apocalyptic number.

2860749840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2860749840 is an abundant number, since it is smaller than the sum of its proper divisors (6689763888).

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

2860749840 is a wasteful number, since it uses less digits than its factorization.

2860749840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916936 (or 916930 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 2860749840 is about 53485.9779755405. The cubic root of 2860749840 is about 1419.5802898973.

The spelling of 2860749840 in words is "two billion, eight hundred sixty million, seven hundred forty-nine thousand, eight hundred forty".