2115702040 has 32 divisors (see below), whose sum is σ = 4838373360. Its totient is φ = 832406400.

The previous prime is 2115702031. The next prime is 2115702067. The reversal of 2115702040 is 402075112.

It is a happy number.

It is a congruent number.

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, 431106 + ... + 435985.

Almost surely, 2^2115702040 is an apocalyptic number.

2115702040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115702040 is an abundant number, since it is smaller than the sum of its proper divisors (2722671320).

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

2115702040 is a wasteful number, since it uses less digits than its factorization.

2115702040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867163 (or 867159 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2115702040 is about 45996.7611903273. The cubic root of 2115702040 is about 1283.7629421672.

Adding to 2115702040 its reverse (402075112), we get a palindrome (2517777152).

The spelling of 2115702040 in words is "two billion, one hundred fifteen million, seven hundred two thousand, forty".