7194812040 has 384 divisors, whose sum is σ = 26428671360. Its totient is φ = 1749786624.

The previous prime is 7194812017. The next prime is 7194812047. The reversal of 7194812040 is 402184917.

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 = 7194811986 and 7194812004.

It is not an unprimeable number, because it can be changed into a prime (7194812047) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12256627 + ... + 12257213.

It is an arithmetic number, because the mean of its divisors is an integer number (68824665).

Almost surely, 2^7194812040 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 7194812040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13214335680).

7194812040 is an abundant number, since it is smaller than the sum of its proper divisors (19233859320).

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

7194812040 is a wasteful number, since it uses less digits than its factorization.

7194812040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 7194812040 is about 84822.2378860638. The cubic root of 7194812040 is about 1930.5148688549.

Adding to 7194812040 its reverse (402184917), we get a palindrome (7596996957).

The spelling of 7194812040 in words is "seven billion, one hundred ninety-four million, eight hundred twelve thousand, forty".