2038285840 has 20 divisors (see below), whose sum is σ = 4739014764. Its totient is φ = 815314304.

The previous prime is 2038285817. The next prime is 2038285841. The reversal of 2038285840 is 485828302.

It can be written as a sum of positive squares in 2 ways, for example, as 1287087376 + 751198464 = 35876^2 + 27408^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 = 2038285793 and 2038285802.

It is not an unprimeable number, because it can be changed into a prime (2038285841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12739207 + ... + 12739366.

Almost surely, 2^2038285840 is an apocalyptic number.

2038285840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2038285840 is an abundant number, since it is smaller than the sum of its proper divisors (2700728924).

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

2038285840 is a wasteful number, since it uses less digits than its factorization.

2038285840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25478586 (or 25478580 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 2038285840 is about 45147.3791044397. The cubic root of 2038285840 is about 1267.9098112436.

The spelling of 2038285840 in words is "two billion, thirty-eight million, two hundred eighty-five thousand, eight hundred forty".