387226400449 has 16 divisors (see below), whose sum is σ = 451635091200. Its totient is φ = 331864895040.

The previous prime is 387226400443. The next prime is 387226400453. The reversal of 387226400449 is 944004622783.

It is not a de Polignac number, because 387226400449 - 2²⁹ = 386689529537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387226400443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2701932 + ... + 2841634.

It is an arithmetic number, because the mean of its divisors is an integer number (28227193200).

Almost surely, 2^387226400449 is an apocalyptic number.

It is an amenable number.

387226400449 is a deficient number, since it is larger than the sum of its proper divisors (64408690751).

387226400449 is an equidigital number, since it uses as much as digits as its factorization.

387226400449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147805 (or 147791 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 387226400449 in words is "three hundred eighty-seven billion, two hundred twenty-six million, four hundred thousand, four hundred forty-nine".