1005400050 has 24 divisors (see below), whose sum is σ = 2493392496. Its totient is φ = 268106640.

The previous prime is 1005400049. The next prime is 1005400051. The reversal of 1005400050 is 500045001.

It is an interprime number because it is at equal distance from previous prime (1005400049) and next prime (1005400051).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1005400051) 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, 3351184 + ... + 3351483.

It is an arithmetic number, because the mean of its divisors is an integer number (103891354).

Almost surely, 2^1005400050 is an apocalyptic number.

1005400050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005400050 is an abundant number, since it is smaller than the sum of its proper divisors (1487992446).

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

1005400050 is a wasteful number, since it uses less digits than its factorization.

1005400050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702682 (or 6702677 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1005400050 is about 31708.0439321003. The cubic root of 1005400050 is about 1001.7967862921.

Adding to 1005400050 its reverse (500045001), we get a palindrome (1505445051).

The spelling of 1005400050 in words is "one billion, five million, four hundred thousand, fifty".