2403421400 has 48 divisors (see below), whose sum is σ = 5780656800. Its totient is φ = 928215680.

The previous prime is 2403421399. The next prime is 2403421417. The reversal of 2403421400 is 41243042.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 201392 + ... + 212991.

It is an arithmetic number, because the mean of its divisors is an integer number (120430350).

Almost surely, 2^2403421400 is an apocalyptic number.

2403421400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403421400 is an abundant number, since it is smaller than the sum of its proper divisors (3377235400).

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

2403421400 is a wasteful number, since it uses less digits than its factorization.

2403421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414428 (or 414419 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2403421400 is about 49024.7019368808. The cubic root of 2403421400 is about 1339.5018197122.

Adding to 2403421400 its reverse (41243042), we get a palindrome (2444664442).

The spelling of 2403421400 in words is "two billion, four hundred three million, four hundred twenty-one thousand, four hundred".