2049418440 has 96 divisors (see below), whose sum is σ = 6667315200. Its totient is φ = 545961600.

The previous prime is 2049418439. The next prime is 2049418447. The reversal of 2049418440 is 448149402.

2049418440 is a `hidden beast` number, since 204 + 9 + 4 + 1 + 8 + 440 = 666.

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 = 2049418395 and 2049418404.

It is not an unprimeable number, because it can be changed into a prime (2049418447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458215 + ... + 462665.

It is an arithmetic number, because the mean of its divisors is an integer number (69451200).

Almost surely, 2^2049418440 is an apocalyptic number.

2049418440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049418440 is an abundant number, since it is smaller than the sum of its proper divisors (4617896760).

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

2049418440 is a wasteful number, since it uses less digits than its factorization.

2049418440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747 (or 5740 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2049418440 is about 45270.5029793131. The cubic root of 2049418440 is about 1270.2139553145.

The spelling of 2049418440 in words is "two billion, forty-nine million, four hundred eighteen thousand, four hundred forty".