2485440397 has 8 divisors (see below), whose sum is σ = 2713223520. Its totient is φ = 2257962960.

The previous prime is 2485440361. The next prime is 2485440401. The reversal of 2485440397 is 7930445842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2485440397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485440197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59247 + ... + 92092.

It is an arithmetic number, because the mean of its divisors is an integer number (339152940).

Almost surely, 2^2485440397 is an apocalyptic number.

It is an amenable number.

2485440397 is a deficient number, since it is larger than the sum of its proper divisors (227783123).

2485440397 is a wasteful number, since it uses less digits than its factorization.

2485440397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152843.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 2485440397 is about 49854.1913684296. The cubic root of 2485440397 is about 1354.5689540903.

Subtracting 2485440397 from its reverse (7930445842), we obtain a palindrome (5445005445).

The spelling of 2485440397 in words is "two billion, four hundred eighty-five million, four hundred forty thousand, three hundred ninety-seven".