2538293436 has 216 divisors, whose sum is σ = 7823358816. Its totient is φ = 705438720.

The previous prime is 2538293389. The next prime is 2538293441. The reversal of 2538293436 is 6343928352.

2538293436 is a `hidden beast` number, since 2 + 53 + 82 + 93 + 436 = 666.

2538293436 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 junction number, because it is equal to n+sod(n) for n = 2538293391 and 2538293400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7531860 + ... + 7532196.

Almost surely, 2^2538293436 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 2538293436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3911679408).

2538293436 is an abundant number, since it is smaller than the sum of its proper divisors (5285065380).

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

2538293436 is an equidigital number, since it uses as much as digits as its factorization.

2538293436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 390 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 2538293436 is about 50381.4790969856. The cubic root of 2538293436 is about 1364.1033502699.

The spelling of 2538293436 in words is "two billion, five hundred thirty-eight million, two hundred ninety-three thousand, four hundred thirty-six".