1032400550 has 12 divisors (see below), whose sum is σ = 1920265116. Its totient is φ = 412960200.

The previous prime is 1032400507. The next prime is 1032400559. The reversal of 1032400550 is 550042301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032400559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10323956 + ... + 10324055.

It is an arithmetic number, because the mean of its divisors is an integer number (160022093).

Almost surely, 2^1032400550 is an apocalyptic number.

1032400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1032400550 is a deficient number, since it is larger than the sum of its proper divisors (887864566).

1032400550 is a wasteful number, since it uses less digits than its factorization.

1032400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648023 (or 20648018 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1032400550 is about 32130.9904920468. The cubic root of 1032400550 is about 1010.6855946986.

Adding to 1032400550 its reverse (550042301), we get a palindrome (1582442851).

The spelling of 1032400550 in words is "one billion, thirty-two million, four hundred thousand, five hundred fifty".