2103534400 has 168 divisors, whose sum is σ = 5704429536. Its totient is φ = 757094400.

The previous prime is 2103534383. The next prime is 2103534421. The reversal of 2103534400 is 44353012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 1882642 + ... + 1883758.

Almost surely, 2^2103534400 is an apocalyptic number.

2103534400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103534400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2852214768).

2103534400 is an abundant number, since it is smaller than the sum of its proper divisors (3600895136).

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

2103534400 is a wasteful number, since it uses less digits than its factorization.

2103534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2103534400 is about 45864.3042027239. The cubic root of 2103534400 is about 1281.2971875542.

Adding to 2103534400 its reverse (44353012), we get a palindrome (2147887412).

The spelling of 2103534400 in words is "two billion, one hundred three million, five hundred thirty-four thousand, four hundred".