2450989840 has 160 divisors (see below), whose sum is σ = 6425588736. Its totient is φ = 863416320.

The previous prime is 2450989811. The next prime is 2450989843. The reversal of 2450989840 is 489890542.

It is not an unprimeable number, because it can be changed into a prime (2450989843) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2003469 + ... + 2004691.

Almost surely, 2^2450989840 is an apocalyptic number.

2450989840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2450989840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212794368).

2450989840 is an abundant number, since it is smaller than the sum of its proper divisors (3974598896).

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

2450989840 is a wasteful number, since it uses less digits than its factorization.

2450989840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2450989840 is about 49507.4725672802. The cubic root of 2450989840 is about 1348.2812768797.

The spelling of 2450989840 in words is "two billion, four hundred fifty million, nine hundred eighty-nine thousand, eight hundred forty".