1026400200 has 96 divisors (see below), whose sum is σ = 3636404160. Its totient is φ = 234604800.

The previous prime is 1026400181. The next prime is 1026400223. The reversal of 1026400200 is 20046201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1026400200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117991 + ... + 126390.

It is an arithmetic number, because the mean of its divisors is an integer number (37879210).

Almost surely, 2^1026400200 is an apocalyptic number.

1026400200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026400200 is an abundant number, since it is smaller than the sum of its proper divisors (2610003960).

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

1026400200 is a wasteful number, since it uses less digits than its factorization.

1026400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244407 (or 244398 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1026400200 is about 32037.4811743995. The cubic root of 1026400200 is about 1008.7237416946.

Adding to 1026400200 its reverse (20046201), we get a palindrome (1046446401).

The spelling of 1026400200 in words is "one billion, twenty-six million, four hundred thousand, two hundred".