1440200100 has 36 divisors (see below), whose sum is σ = 4166979824. Its totient is φ = 384053280.

The previous prime is 1440200087. The next prime is 1440200119. The reversal of 1440200100 is 10020441.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2400034 + ... + 2400633.

Almost surely, 2^1440200100 is an apocalyptic number.

1440200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440200100 is an abundant number, since it is smaller than the sum of its proper divisors (2726779724).

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

1440200100 is a wasteful number, since it uses less digits than its factorization.

1440200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800684 (or 4800677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1440200100 is about 37949.9683794335. The cubic root of 1440200100 is about 1129.2955381539.

Adding to 1440200100 its reverse (10020441), we get a palindrome (1450220541).

The spelling of 1440200100 in words is "one billion, four hundred forty million, two hundred thousand, one hundred".