2050551240 has 64 divisors (see below), whose sum is σ = 6171802560. Its totient is φ = 545022720.

The previous prime is 2050551233. The next prime is 2050551257. The reversal of 2050551240 is 421550502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2050551240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9010 + ... + 64670.

It is an arithmetic number, because the mean of its divisors is an integer number (96434415).

Almost surely, 2^2050551240 is an apocalyptic number.

2050551240 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 2050551240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3085901280).

2050551240 is an abundant number, since it is smaller than the sum of its proper divisors (4121251320).

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

2050551240 is a wasteful number, since it uses less digits than its factorization.

2050551240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55982 (or 55978 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2050551240 is about 45283.0127089618. The cubic root of 2050551240 is about 1270.4479458145.

The spelling of 2050551240 in words is "two billion, fifty million, five hundred fifty-one thousand, two hundred forty".