2078206040 has 32 divisors (see below), whose sum is σ = 4686018480. Its totient is φ = 829494912.

The previous prime is 2078206027. The next prime is 2078206043. The reversal of 2078206040 is 406028702.

It is a junction number, because it is equal to n+sod(n) for n = 2078205994 and 2078206012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078206043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36947 + ... + 74306.

Almost surely, 2^2078206040 is an apocalyptic number.

2078206040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2078206040 is an abundant number, since it is smaller than the sum of its proper divisors (2607812440).

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

2078206040 is a wasteful number, since it uses less digits than its factorization.

2078206040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111731 (or 111727 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2078206040 is about 45587.3451738528. The cubic root of 2078206040 is about 1276.1337684008.

The spelling of 2078206040 in words is "two billion, seventy-eight million, two hundred six thousand, forty".