1550340117 has 12 divisors (see below), whose sum is σ = 2246149984. Its totient is φ = 1030435560.

The previous prime is 1550340097. The next prime is 1550340137. The reversal of 1550340117 is 7110430551.

1550340117 is a `hidden beast` number, since 1 + 5 + 503 + 40 + 117 = 666.

It is an interprime number because it is at equal distance from previous prime (1550340097) and next prime (1550340137).

It is not a de Polignac number, because 1550340117 - 2¹⁵ = 1550307349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550340137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257233 + ... + 263190.

Almost surely, 2^1550340117 is an apocalyptic number.

It is an amenable number.

1550340117 is a deficient number, since it is larger than the sum of its proper divisors (695809867).

1550340117 is a wasteful number, since it uses less digits than its factorization.

1550340117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520760 (or 520757 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1550340117 is about 39374.3586233478. The cubic root of 1550340117 is about 1157.3791695760.

Adding to 1550340117 its reverse (7110430551), we get a palindrome (8660770668).

The spelling of 1550340117 in words is "one billion, five hundred fifty million, three hundred forty thousand, one hundred seventeen".