1421141400 has 432 divisors, whose sum is σ = 5675819760. Its totient is φ = 312076800.

The previous prime is 1421141389. The next prime is 1421141413. The reversal of 1421141400 is 41411241.

1421141400 is a `hidden beast` number, since 14 + 211 + 41 + 400 = 666.

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 107 ways as a sum of consecutive naturals, for example, 23297370 + ... + 23297430.

Almost surely, 2^1421141400 is an apocalyptic number.

1421141400 is a gapful number since it is divisible by the number (10) 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 1421141400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837909880).

1421141400 is an abundant number, since it is smaller than the sum of its proper divisors (4254678360).

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

1421141400 is a wasteful number, since it uses less digits than its factorization.

1421141400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1421141400 is about 37698.0291262023. The cubic root of 1421141400 is about 1124.2919396347.

Adding to 1421141400 its reverse (41411241), we get a palindrome (1462552641).

It can be divided in two parts, 14211 and 41400, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 1421141400 in words is "one billion, four hundred twenty-one million, one hundred forty-one thousand, four hundred".