2533400434440 has 64 divisors (see below), whose sum is σ = 8444668118400. Its totient is φ = 675573448896.

The previous prime is 2533400434421. The next prime is 2533400434501. The reversal of 2533400434440 is 444340043352.

2533400434440 is a `hidden beast` number, since 2 + 533 + 4 + 0 + 0 + 43 + 44 + 40 = 666.

It is a super-2 number, since 2×2533400434440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2533400434395 and 2533400434404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172869492 + ... + 1172871651.

It is an arithmetic number, because the mean of its divisors is an integer number (131947939350).

Almost surely, 2^{2533400434440} is an apocalyptic number.

2533400434440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2533400434440 is an abundant number, since it is smaller than the sum of its proper divisors (5911267683960).

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

2533400434440 is a wasteful number, since it uses less digits than its factorization.

2533400434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345741163 (or 2345741153 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 2533400434440 its reverse (444340043352), we get a palindrome (2977740477792).

The spelling of 2533400434440 in words is "two trillion, five hundred thirty-three billion, four hundred million, four hundred thirty-four thousand, four hundred forty".