7154255540 has 12 divisors (see below), whose sum is σ = 15023936676. Its totient is φ = 2861702208.

The previous prime is 7154255539. The next prime is 7154255551. The reversal of 7154255540 is 455524517.

It can be written as a sum of positive squares in 2 ways, for example, as 3913002916 + 3241252624 = 62554^2 + 56932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7154255494 and 7154255503.

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, 178856369 + ... + 178856408.

It is an arithmetic number, because the mean of its divisors is an integer number (1251994723).

Almost surely, 2^7154255540 is an apocalyptic number.

It is an amenable number.

7154255540 is an abundant number, since it is smaller than the sum of its proper divisors (7869681136).

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

7154255540 is a wasteful number, since it uses less digits than its factorization.

7154255540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357712786 (or 357712784 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

The square root of 7154255540 is about 84582.8324188780. The cubic root of 7154255540 is about 1926.8806528822.

The spelling of 7154255540 in words is "seven billion, one hundred fifty-four million, two hundred fifty-five thousand, five hundred forty".