1550928456 has 192 divisors, whose sum is σ = 5465041920. Its totient is φ = 385292160.

The previous prime is 1550928451. The next prime is 1550928461. The reversal of 1550928456 is 6548290551.

1550928456 is a `hidden beast` number, since 1 + 550 + 92 + 8 + 4 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1550928451) and next prime (1550928461).

It is not an unprimeable number, because it can be changed into a prime (1550928451) by changing a digit.

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, 121431 + ... + 133593.

It is an arithmetic number, because the mean of its divisors is an integer number (28463760).

Almost surely, 2^1550928456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550928456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2732520960).

1550928456 is an abundant number, since it is smaller than the sum of its proper divisors (3914113464).

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

1550928456 is a wasteful number, since it uses less digits than its factorization.

1550928456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12216 (or 12209 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 1550928456 is about 39381.8290078051. The cubic root of 1550928456 is about 1157.5255557740.

The spelling of 1550928456 in words is "one billion, five hundred fifty million, nine hundred twenty-eight thousand, four hundred fifty-six".