7148440485 has 32 divisors (see below), whose sum is σ = 12827134080. Its totient is φ = 3776863104.

The previous prime is 7148440427. The next prime is 7148440493. The reversal of 7148440485 is 5840448417.

It is not a de Polignac number, because 7148440485 - 2¹⁶ = 7148374949 is a prime.

It is a super-2 number, since 2×7148440485² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7148440485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232992 + ... + 261881.

It is an arithmetic number, because the mean of its divisors is an integer number (400847940).

Almost surely, 2^7148440485 is an apocalyptic number.

It is an amenable number.

7148440485 is a deficient number, since it is larger than the sum of its proper divisors (5678693595).

7148440485 is a wasteful number, since it uses less digits than its factorization.

7148440485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494994 (or 494988 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 7148440485 is about 84548.4505180314. The cubic root of 7148440485 is about 1926.3584483421.

The spelling of 7148440485 in words is "seven billion, one hundred forty-eight million, four hundred forty thousand, four hundred eighty-five".