2421401400 has 288 divisors, whose sum is σ = 9179211600. Its totient is φ = 566630400.

The previous prime is 2421401393. The next prime is 2421401417. The reversal of 2421401400 is 41041242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 572092 + ... + 576308.

Almost surely, 2^2421401400 is an apocalyptic number.

2421401400 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 2421401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4589605800).

2421401400 is an abundant number, since it is smaller than the sum of its proper divisors (6757810200).

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

2421401400 is a wasteful number, since it uses less digits than its factorization.

2421401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2421401400 is about 49207.7371965019. The cubic root of 2421401400 is about 1342.8337965072.

Adding to 2421401400 its reverse (41041242), we get a palindrome (2462442642).

The spelling of 2421401400 in words is "two billion, four hundred twenty-one million, four hundred one thousand, four hundred".