2141427420 has 288 divisors, whose sum is σ = 7529034240. Its totient is φ = 487534080.

The previous prime is 2141427419. The next prime is 2141427439. The reversal of 2141427420 is 247241412.

2141427420 is a `hidden beast` number, since 214 + 1 + 4 + 27 + 420 = 666.

It is a super-2 number, since 2×2141427420² = 9171422790255712800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2686462 + ... + 2687258.

It is an arithmetic number, because the mean of its divisors is an integer number (26142480).

Almost surely, 2^2141427420 is an apocalyptic number.

2141427420 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 2141427420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764517120).

2141427420 is an abundant number, since it is smaller than the sum of its proper divisors (5387606820).

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

2141427420 is a wasteful number, since it uses less digits than its factorization.

2141427420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2141427420 is about 46275.5596400519. The cubic root of 2141427420 is about 1288.9451986838.

Adding to 2141427420 its reverse (247241412), we get a palindrome (2388668832).

The spelling of 2141427420 in words is "two billion, one hundred forty-one million, four hundred twenty-seven thousand, four hundred twenty".