2649298040 has 16 divisors (see below), whose sum is σ = 5960920680. Its totient is φ = 1059719200.

The previous prime is 2649298039. The next prime is 2649298051. The reversal of 2649298040 is 408929462.

It is a happy number.

2649298040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2649297982 and 2649298000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33116186 + ... + 33116265.

Almost surely, 2^2649298040 is an apocalyptic number.

2649298040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2649298040 is an abundant number, since it is smaller than the sum of its proper divisors (3311622640).

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

2649298040 is a wasteful number, since it uses less digits than its factorization.

2649298040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66232462 (or 66232458 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2649298040 is about 51471.3322151273. The cubic root of 2649298040 is about 1383.7053052372.

The spelling of 2649298040 in words is "two billion, six hundred forty-nine million, two hundred ninety-eight thousand, forty".