1550042412 has 12 divisors (see below), whose sum is σ = 3616765656. Its totient is φ = 516680800.

The previous prime is 1550042411. The next prime is 1550042413. The reversal of 1550042412 is 2142400551.

It is an interprime number because it is at equal distance from previous prime (1550042411) and next prime (1550042413).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1550042411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64585089 + ... + 64585112.

It is an arithmetic number, because the mean of its divisors is an integer number (301397138).

Almost surely, 2^1550042412 is an apocalyptic number.

1550042412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1550042412 is an abundant number, since it is smaller than the sum of its proper divisors (2066723244).

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

1550042412 is a wasteful number, since it uses less digits than its factorization.

1550042412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129170208 (or 129170206 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1550042412 is about 39370.5779993131. The cubic root of 1550042412 is about 1157.3050826883.

Adding to 1550042412 its reverse (2142400551), we get a palindrome (3692442963).

The spelling of 1550042412 in words is "one billion, five hundred fifty million, forty-two thousand, four hundred twelve".