4054521420 has 480 divisors, whose sum is σ = 14516143488. Its totient is φ = 941580288.

The previous prime is 4054521409. The next prime is 4054521433. The reversal of 4054521420 is 241254504.

4054521420 is a `hidden beast` number, since 405 + 45 + 214 + 2 + 0 = 666.

4054521420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23436454 + ... + 23436626.

Almost surely, 2^4054521420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4054521420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7258071744).

4054521420 is an abundant number, since it is smaller than the sum of its proper divisors (10461622068).

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

4054521420 is a wasteful number, since it uses less digits than its factorization.

4054521420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4054521420 is about 63675.1240281478. The cubic root of 4054521420 is about 1594.5808091835.

Adding to 4054521420 its reverse (241254504), we get a palindrome (4295775924).

The spelling of 4054521420 in words is "four billion, fifty-four million, five hundred twenty-one thousand, four hundred twenty".