7501004040 has 64 divisors (see below), whose sum is σ = 22811299200. Its totient is φ = 1972864512.

The previous prime is 7501004003. The next prime is 7501004051. The reversal of 7501004040 is 404001057.

It is a super-3 number, since 3×7501004040³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7501003998 and 7501004016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419380 + ... + 436899.

It is an arithmetic number, because the mean of its divisors is an integer number (356426550).

Almost surely, 2^7501004040 is an apocalyptic number.

It is an amenable number.

7501004040 is an abundant number, since it is smaller than the sum of its proper divisors (15310295160).

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

7501004040 is a wasteful number, since it uses less digits than its factorization.

7501004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856366 (or 856362 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7501004040 is about 86608.3370120914. The cubic root of 7501004040 is about 1957.5211652137.

Adding to 7501004040 its reverse (404001057), we get a palindrome (7905005097).

The spelling of 7501004040 in words is "seven billion, five hundred one million, four thousand, forty".