1550340040 has 32 divisors (see below), whose sum is σ = 3492639360. Its totient is φ = 619358400.

The previous prime is 1550340037. The next prime is 1550340049. The reversal of 1550340040 is 400430551.

It is a junction number, because it is equal to n+sod(n) for n = 1550339993 and 1550340020.

It is not an unprimeable number, because it can be changed into a prime (1550340049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8545 + ... + 56335.

It is an arithmetic number, because the mean of its divisors is an integer number (109144980).

Almost surely, 2^1550340040 is an apocalyptic number.

1550340040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550340040 is an abundant number, since it is smaller than the sum of its proper divisors (1942299320).

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

1550340040 is a wasteful number, since it uses less digits than its factorization.

1550340040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48613 (or 48609 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1550340040 is about 39374.3576455540. The cubic root of 1550340040 is about 1157.3791504150.

Adding to 1550340040 its reverse (400430551), we get a palindrome (1950770591).

The spelling of 1550340040 in words is "one billion, five hundred fifty million, three hundred forty thousand, forty".