2450423840 has 24 divisors (see below), whose sum is σ = 5789126700. Its totient is φ = 980169472.

The previous prime is 2450423837. The next prime is 2450423851. The reversal of 2450423840 is 483240542.

It can be written as a sum of positive squares in 2 ways, for example, as 2197359376 + 253064464 = 46876^2 + 15908^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2450423797 and 2450423806.

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, 7657415 + ... + 7657734.

Almost surely, 2^2450423840 is an apocalyptic number.

2450423840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450423840 is an abundant number, since it is smaller than the sum of its proper divisors (3338702860).

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

2450423840 is a wasteful number, since it uses less digits than its factorization.

2450423840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315164 (or 15315156 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 2450423840 is about 49501.7559284517. The cubic root of 2450423840 is about 1348.1774839903.

The spelling of 2450423840 in words is "two billion, four hundred fifty million, four hundred twenty-three thousand, eight hundred forty".