7135044420 has 48 divisors (see below), whose sum is σ = 22832143488. Its totient is φ = 1630867200.

The previous prime is 7135044419. The next prime is 7135044431. The reversal of 7135044420 is 244405317.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8493681 + ... + 8494520.

It is an arithmetic number, because the mean of its divisors is an integer number (475669656).

Almost surely, 2^7135044420 is an apocalyptic number.

7135044420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7135044420 is an abundant number, since it is smaller than the sum of its proper divisors (15697099068).

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

7135044420 is a wasteful number, since it uses less digits than its factorization.

7135044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988220 (or 16988218 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 7135044420 is about 84469.1921353578. The cubic root of 7135044420 is about 1925.1543740818.

Adding to 7135044420 its reverse (244405317), we get a palindrome (7379449737).

The spelling of 7135044420 in words is "seven billion, one hundred thirty-five million, forty-four thousand, four hundred twenty".