7423881040 has 20 divisors (see below), whose sum is σ = 17260523604. Its totient is φ = 2969552384.

The previous prime is 7423881037. The next prime is 7423881089. The reversal of 7423881040 is 401883247.

It can be written as a sum of positive squares in 2 ways, for example, as 1029639744 + 6394241296 = 32088^2 + 79964^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×7423881040² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46399177 + ... + 46399336.

Almost surely, 2^7423881040 is an apocalyptic number.

It is an amenable number.

7423881040 is an abundant number, since it is smaller than the sum of its proper divisors (9836642564).

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

7423881040 is a wasteful number, since it uses less digits than its factorization.

7423881040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92798526 (or 92798520 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 7423881040 is about 86161.9465889670. The cubic root of 7423881040 is about 1950.7891646934.

The spelling of 7423881040 in words is "seven billion, four hundred twenty-three million, eight hundred eighty-one thousand, forty".