7442906520 has 64 divisors (see below), whose sum is σ = 25518539520. Its totient is φ = 1701235584.

The previous prime is 7442906483. The next prime is 7442906543. The reversal of 7442906520 is 256092447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429462 + ... + 4431141.

It is an arithmetic number, because the mean of its divisors is an integer number (398727180).

Almost surely, 2^7442906520 is an apocalyptic number.

7442906520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7442906520 is an abundant number, since it is smaller than the sum of its proper divisors (18075633000).

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

7442906520 is a wasteful number, since it uses less digits than its factorization.

7442906520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8860624 (or 8860620 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 7442906520 is about 86272.2812959064. The cubic root of 7442906520 is about 1952.4541985657.

Adding to 7442906520 its reverse (256092447), we get a palindrome (7698998967).

The spelling of 7442906520 in words is "seven billion, four hundred forty-two million, nine hundred six thousand, five hundred twenty".