7540402132 has 12 divisors (see below), whose sum is σ = 13262015200. Its totient is φ = 3751254936.

The previous prime is 7540402117. The next prime is 7540402157. The reversal of 7540402132 is 2312040457.

It is a self number, because there is not a number n which added to its sum of digits gives 7540402132.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4735638 + ... + 4737229.

Almost surely, 2^7540402132 is an apocalyptic number.

It is an amenable number.

7540402132 is a deficient number, since it is larger than the sum of its proper divisors (5721613068).

7540402132 is a wasteful number, since it uses less digits than its factorization.

7540402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473070 (or 9473068 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 7540402132 is about 86835.4888971093. The cubic root of 7540402132 is about 1960.9423945830.

Adding to 7540402132 its reverse (2312040457), we get a palindrome (9852442589).

The spelling of 7540402132 in words is "seven billion, five hundred forty million, four hundred two thousand, one hundred thirty-two".