1550134400 has 48 divisors (see below), whose sum is σ = 3829324290. Its totient is φ = 620052480.

The previous prime is 1550134349. The next prime is 1550134429. The reversal of 1550134400 is 44310551.

It can be written as a sum of positive squares in 3 ways, for example, as 1518505024 + 31629376 = 38968^2 + 5624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239009 + ... + 245408.

Almost surely, 2^1550134400 is an apocalyptic number.

1550134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550134400 is an abundant number, since it is smaller than the sum of its proper divisors (2279189890).

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

1550134400 is an equidigital number, since it uses as much as digits as its factorization.

1550134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484441 (or 484424 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1550134400 is about 39371.7462147668. The cubic root of 1550134400 is about 1157.3279758412.

Adding to 1550134400 its reverse (44310551), we get a palindrome (1594444951).

The spelling of 1550134400 in words is "one billion, five hundred fifty million, one hundred thirty-four thousand, four hundred".