1385629744 has 40 divisors (see below), whose sum is σ = 2940615360. Its totient is φ = 629572608.

The previous prime is 1385629709. The next prime is 1385629759. The reversal of 1385629744 is 4479265831.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79944 + ... + 95719.

It is an arithmetic number, because the mean of its divisors is an integer number (73515384).

Almost surely, 2^1385629744 is an apocalyptic number.

It is an amenable number.

1385629744 is an abundant number, since it is smaller than the sum of its proper divisors (1554985616).

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

1385629744 is a wasteful number, since it uses less digits than its factorization.

1385629744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175717 (or 175711 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 1385629744 is about 37224.0479260384. The cubic root of 1385629744 is about 1114.8481883574.

The spelling of 1385629744 in words is "one billion, three hundred eighty-five million, six hundred twenty-nine thousand, seven hundred forty-four".