7430253040 has 80 divisors (see below), whose sum is σ = 20601681408. Its totient is φ = 2436749568.

The previous prime is 7430253029. The next prime is 7430253041. The reversal of 7430253040 is 403520347.

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

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7430253041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275562 + ... + 301321.

Almost surely, 2^7430253040 is an apocalyptic number.

7430253040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7430253040 is an abundant number, since it is smaller than the sum of its proper divisors (13171428368).

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

7430253040 is a wasteful number, since it uses less digits than its factorization.

7430253040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576926 (or 576920 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 7430253040 is about 86198.9155384219. The cubic root of 7430253040 is about 1951.3471331286.

Adding to 7430253040 its reverse (403520347), we get a palindrome (7833773387).

The spelling of 7430253040 in words is "seven billion, four hundred thirty million, two hundred fifty-three thousand, forty".