2040863916 has 144 divisors (see below), whose sum is σ = 5991677664. Its totient is φ = 535901184.

The previous prime is 2040863897. The next prime is 2040863917. The reversal of 2040863916 is 6193680402.

It is a hoax number, since the sum of its digits (39) 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 (39).

It is not an unprimeable number, because it can be changed into a prime (2040863917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2392146 + ... + 2392998.

Almost surely, 2^2040863916 is an apocalyptic number.

2040863916 is a gapful number since it is divisible by the number (26) 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 2040863916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995838832).

2040863916 is an abundant number, since it is smaller than the sum of its proper divisors (3950813748).

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

2040863916 is a wasteful number, since it uses less digits than its factorization.

2040863916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2040863916 is about 45175.9218610976. The cubic root of 2040863916 is about 1268.4441475992. Note that the first 3 decimals are identical.

The spelling of 2040863916 in words is "two billion, forty million, eight hundred sixty-three thousand, nine hundred sixteen".