103440032400 has 120 divisors (see below), whose sum is σ = 331424974944. Its totient is φ = 27578009600.

The previous prime is 103440032257. The next prime is 103440032419. The reversal of 103440032400 is 4230044301.

It is a tau number, because it is divible by the number of its divisors (120).

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, 9691867 + ... + 9702533.

Almost surely, 2^103440032400 is an apocalyptic number.

103440032400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103440032400 is an abundant number, since it is smaller than the sum of its proper divisors (227984942544).

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

103440032400 is a wasteful number, since it uses less digits than its factorization.

103440032400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18769 (or 18758 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 103440032400 its reverse (4230044301), we get a palindrome (107670076701).

The spelling of 103440032400 in words is "one hundred three billion, four hundred forty million, thirty-two thousand, four hundred".