2685556040 has 32 divisors (see below), whose sum is σ = 6237423360. Its totient is φ = 1039569600.

The previous prime is 2685556039. The next prime is 2685556067. The reversal of 2685556040 is 406555862.

It is a super-2 number, since 2×2685556040² = 14424422487960963200, which contains 22 as substring.

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, 1081646 + ... + 1084125.

It is an arithmetic number, because the mean of its divisors is an integer number (194919480).

Almost surely, 2^2685556040 is an apocalyptic number.

2685556040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685556040 is an abundant number, since it is smaller than the sum of its proper divisors (3551867320).

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

2685556040 is a wasteful number, since it uses less digits than its factorization.

2685556040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165813 (or 2165809 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 2685556040 is about 51822.3507764748. The cubic root of 2685556040 is about 1389.9891378134.

The spelling of 2685556040 in words is "two billion, six hundred eighty-five million, five hundred fifty-six thousand, forty".