1550874240 has 384 divisors, whose sum is σ = 5804697600. Its totient is φ = 380215296.

The previous prime is 1550874233. The next prime is 1550874251. The reversal of 1550874240 is 424780551.

1550874240 is a `hidden beast` number, since 1 + 550 + 87 + 4 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1550874195 and 1550874204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4049089 + ... + 4049471.

It is an arithmetic number, because the mean of its divisors is an integer number (15116400).

Almost surely, 2^1550874240 is an apocalyptic number.

1550874240 is a gapful number since it is divisible by the number (10) 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 1550874240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902348800).

1550874240 is an abundant number, since it is smaller than the sum of its proper divisors (4253823360).

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

1550874240 is a wasteful number, since it uses less digits than its factorization.

1550874240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 1550874240 is about 39381.1406640285. The cubic root of 1550874240 is about 1157.5120676949.

The spelling of 1550874240 in words is "one billion, five hundred fifty million, eight hundred seventy-four thousand, two hundred forty".