2031936840 has 384 divisors, whose sum is σ = 7312032000. Its totient is φ = 506373120.

The previous prime is 2031936799. The next prime is 2031936857. The reversal of 2031936840 is 486391302.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2031936795 and 2031936804.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13637086 + ... + 13637234.

It is an arithmetic number, because the mean of its divisors is an integer number (19041750).

Almost surely, 2^2031936840 is an apocalyptic number.

2031936840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031936840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656016000).

2031936840 is an abundant number, since it is smaller than the sum of its proper divisors (5280095160).

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

2031936840 is a wasteful number, since it uses less digits than its factorization.

2031936840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2031936840 is about 45077.0101049304. The cubic root of 2031936840 is about 1266.5919829774.

The spelling of 2031936840 in words is "two billion, thirty-one million, nine hundred thirty-six thousand, eight hundred forty".