7234000040 has 128 divisors (see below), whose sum is σ = 17137612800. Its totient is φ = 2744893440.

The previous prime is 7234000019. The next prime is 7234000049. The reversal of 7234000040 is 400004327.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 7233999976 and 7234000021.

It is not an unprimeable number, because it can be changed into a prime (7234000049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16478141 + ... + 16478579.

It is an arithmetic number, because the mean of its divisors is an integer number (133887600).

Almost surely, 2^7234000040 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 7234000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8568806400).

7234000040 is an abundant number, since it is smaller than the sum of its proper divisors (9903612760).

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

7234000040 is a wasteful number, since it uses less digits than its factorization.

7234000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7234000040 is about 85052.9249350074. The cubic root of 7234000040 is about 1934.0135045026.

Adding to 7234000040 its reverse (400004327), we get a palindrome (7634004367).

The spelling of 7234000040 in words is "seven billion, two hundred thirty-four million, forty", and thus it is an aban number.