7421540152 has 32 divisors (see below), whose sum is σ = 15209485200. Its totient is φ = 3374198784.

The previous prime is 7421540149. The next prime is 7421540167. The reversal of 7421540152 is 2510451247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525577 + ... + 539512.

Almost surely, 2^7421540152 is an apocalyptic number.

It is an amenable number.

7421540152 is an abundant number, since it is smaller than the sum of its proper divisors (7787945048).

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

7421540152 is a wasteful number, since it uses less digits than its factorization.

7421540152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065175 (or 1065171 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 7421540152 is about 86148.3612844725. The cubic root of 7421540152 is about 1950.5841030829.

Adding to 7421540152 its reverse (2510451247), we get a palindrome (9931991399).

The spelling of 7421540152 in words is "seven billion, four hundred twenty-one million, five hundred forty thousand, one hundred fifty-two".