7540000432 has 20 divisors (see below), whose sum is σ = 15377633080. Its totient is φ = 3571579008.

The previous prime is 7540000423. The next prime is 7540000453. The reversal of 7540000432 is 2340000457.

It is a junction number, because it is equal to n+sod(n) for n = 7540000397 and 7540000406.

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, 12401013 + ... + 12401620.

It is an arithmetic number, because the mean of its divisors is an integer number (768881654).

Almost surely, 2^7540000432 is an apocalyptic number.

It is an amenable number.

7540000432 is an abundant number, since it is smaller than the sum of its proper divisors (7837632648).

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

7540000432 is a wasteful number, since it uses less digits than its factorization.

7540000432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24802660 (or 24802654 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 7540000432 is about 86833.1758718982. The cubic root of 7540000432 is about 1960.9075721896.

Adding to 7540000432 its sum of digits (25), we get a palindrome (7540000457).

Adding to 7540000432 its reverse (2340000457), we get a palindrome (9880000889).

The spelling of 7540000432 in words is "seven billion, five hundred forty million, four hundred thirty-two", and thus it is an aban number.