7322464240 has 80 divisors (see below), whose sum is σ = 20953533888. Its totient is φ = 2317436928.

The previous prime is 7322464081. The next prime is 7322464241. The reversal of 7322464240 is 424642237.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 7322464196 and 7322464205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7322464241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495637 + ... + 510196.

Almost surely, 2^7322464240 is an apocalyptic number.

7322464240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7322464240 is an abundant number, since it is smaller than the sum of its proper divisors (13631069648).

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

7322464240 is a wasteful number, since it uses less digits than its factorization.

7322464240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005866 (or 1005860 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 7322464240 is about 85571.3984927207. The cubic root of 7322464240 is about 1941.8652340985.

The spelling of 7322464240 in words is "seven billion, three hundred twenty-two million, four hundred sixty-four thousand, two hundred forty".