2456021021454 has 144 divisors (see below), whose sum is σ = 7184046190464. Its totient is φ = 588856132800.

The previous prime is 2456021021423. The next prime is 2456021021459. The reversal of 2456021021454 is 4541201206542.

2456021021454 is a `hidden beast` number, since 2 + 4 + 5 + 602 + 1 + 0 + 2 + 1 + 45 + 4 = 666.

2456021021454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456021021459) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5008432 + ... + 5476899.

It is an arithmetic number, because the mean of its divisors is an integer number (49889209656).

Almost surely, 2^{2456021021454} is an apocalyptic number.

2456021021454 is an abundant number, since it is smaller than the sum of its proper divisors (4728025169010).

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

2456021021454 is a wasteful number, since it uses less digits than its factorization.

2456021021454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485383 (or 10485367 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 2456021021454 its reverse (4541201206542), we get a palindrome (6997222227996).

The spelling of 2456021021454 in words is "two trillion, four hundred fifty-six billion, twenty-one million, twenty-one thousand, four hundred fifty-four".