1244475495 has 40 divisors (see below), whose sum is σ = 2268691920. Its totient is φ = 652458240.

The previous prime is 1244475473. The next prime is 1244475499. The reversal of 1244475495 is 5945744421.

It is not a de Polignac number, because 1244475495 - 2⁶ = 1244475431 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1244475495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244475499) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2146 + ... + 49935.

It is an arithmetic number, because the mean of its divisors is an integer number (56717298).

Almost surely, 2^1244475495 is an apocalyptic number.

1244475495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1244475495 is a deficient number, since it is larger than the sum of its proper divisors (1024216425).

1244475495 is an equidigital number, since it uses as much as digits as its factorization.

1244475495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52157 (or 52148 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 1244475495 is about 35277.1242450402. The cubic root of 1244475495 is about 1075.6280433210.

The spelling of 1244475495 in words is "one billion, two hundred forty-four million, four hundred seventy-five thousand, four hundred ninety-five".