1148778336 has 24 divisors (see below), whose sum is σ = 3015543384. Its totient is φ = 382926080.

The previous prime is 1148778329. The next prime is 1148778409. The reversal of 1148778336 is 6338778411.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5983125 + ... + 5983316.

It is an arithmetic number, because the mean of its divisors is an integer number (125647641).

Almost surely, 2^1148778336 is an apocalyptic number.

1148778336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1148778336 is an abundant number, since it is smaller than the sum of its proper divisors (1866765048).

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

1148778336 is a wasteful number, since it uses less digits than its factorization.

1148778336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966454 (or 11966446 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 1148778336 is about 33893.6326763597. The cubic root of 1148778336 is about 1047.3184290829.

The spelling of 1148778336 in words is "one billion, one hundred forty-eight million, seven hundred seventy-eight thousand, three hundred thirty-six".