5236742394 has 128 divisors (see below), whose sum is σ = 12993576960. Its totient is φ = 1552478400.

The previous prime is 5236742393. The next prime is 5236742443. The reversal of 5236742394 is 4932476325.

5236742394 is a `hidden beast` number, since 52 + 367 + 4 + 239 + 4 = 666.

It is a super-2 number, since 2×5236742394² = 54846941802233702472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5236742393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7202859 + ... + 7203585.

It is an arithmetic number, because the mean of its divisors is an integer number (101512320).

Almost surely, 2^5236742394 is an apocalyptic number.

5236742394 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5236742394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6496788480).

5236742394 is an abundant number, since it is smaller than the sum of its proper divisors (7756834566).

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

5236742394 is a wasteful number, since it uses less digits than its factorization.

5236742394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1107 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 5236742394 is about 72365.3397283534. The cubic root of 5236742394 is about 1736.5491117329.

The spelling of 5236742394 in words is "five billion, two hundred thirty-six million, seven hundred forty-two thousand, three hundred ninety-four".