2054403440 has 40 divisors (see below), whose sum is σ = 4778527488. Its totient is φ = 821410560.

The previous prime is 2054403419. The next prime is 2054403497. The reversal of 2054403440 is 443044502.

It is a tau number, because it is divible by the number of its divisors (40).

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, 267494 + ... + 275066.

Almost surely, 2^2054403440 is an apocalyptic number.

2054403440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054403440 is an abundant number, since it is smaller than the sum of its proper divisors (2724124048).

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

2054403440 is a wasteful number, since it uses less digits than its factorization.

2054403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977 (or 10971 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2054403440 is about 45325.5274652154. The cubic root of 2054403440 is about 1271.2430097651.

Adding to 2054403440 its reverse (443044502), we get a palindrome (2497447942).

The spelling of 2054403440 in words is "two billion, fifty-four million, four hundred three thousand, four hundred forty".