2454020045040 has 320 divisors, whose sum is σ = 7841670100992. Its totient is φ = 634471833600.

The previous prime is 2454020045023. The next prime is 2454020045063. The reversal of 2454020045040 is 405400204542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2454020044989 and 2454020045007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1195332654 + ... + 1195334706.

Almost surely, 2^{2454020045040} is an apocalyptic number.

2454020045040 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 2454020045040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920835050496).

2454020045040 is an abundant number, since it is smaller than the sum of its proper divisors (5387650055952).

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

2454020045040 is a wasteful number, since it uses less digits than its factorization.

2454020045040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 2454020045040 its reverse (405400204542), we get a palindrome (2859420249582).

The spelling of 2454020045040 in words is "two trillion, four hundred fifty-four billion, twenty million, forty-five thousand, forty".