1238840496 has 60 divisors (see below), whose sum is σ = 3482007048. Its totient is φ = 411163392.

The previous prime is 1238840483. The next prime is 1238840503. The reversal of 1238840496 is 6940488321.

It is a happy number.

1238840496 is a `hidden beast` number, since 1 + 238 + 8 + 404 + 9 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15091 + ... + 52013.

Almost surely, 2^1238840496 is an apocalyptic number.

1238840496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238840496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741003524).

1238840496 is an abundant number, since it is smaller than the sum of its proper divisors (2243166552).

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

1238840496 is a wasteful number, since it uses less digits than its factorization.

1238840496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37170 (or 37161 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1238840496 is about 35197.1660222808. The cubic root of 1238840496 is about 1074.0021014700.

The spelling of 1238840496 in words is "one billion, two hundred thirty-eight million, eight hundred forty thousand, four hundred ninety-six".