2454439040 has 32 divisors (see below), whose sum is σ = 5867644860. Its totient is φ = 981775360.

The previous prime is 2454439027. The next prime is 2454439109. The reversal of 2454439040 is 409344542.

It can be written as a sum of positive squares in 2 ways, for example, as 2443522624 + 10916416 = 49432^2 + 3304^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2454439040² = 12048542002152243200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916891 + ... + 1918170.

Almost surely, 2^2454439040 is an apocalyptic number.

2454439040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2454439040 is an abundant number, since it is smaller than the sum of its proper divisors (3413205820).

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

2454439040 is an equidigital number, since it uses as much as digits as its factorization.

2454439040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835080 (or 3835068 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2454439040 is about 49542.2954655918. The cubic root of 2454439040 is about 1348.9134448733.

The spelling of 2454439040 in words is "two billion, four hundred fifty-four million, four hundred thirty-nine thousand, forty".