1240204038 has 8 divisors (see below), whose sum is σ = 2480408088. Its totient is φ = 413401344.

The previous prime is 1240204037. The next prime is 1240204051. The reversal of 1240204038 is 8304020421.

It is a sphenic number, since it is the product of 3 distinct primes.

1240204038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1240203999 and 1240204017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240204037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103350331 + ... + 103350342.

It is an arithmetic number, because the mean of its divisors is an integer number (310051011).

Almost surely, 2^1240204038 is an apocalyptic number.

1240204038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240204038 is a wasteful number, since it uses less digits than its factorization.

1240204038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206700678.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1240204038 is about 35216.5307490673. The cubic root of 1240204038 is about 1074.3959939904.

Adding to 1240204038 its reverse (8304020421), we get a palindrome (9544224459).

The spelling of 1240204038 in words is "one billion, two hundred forty million, two hundred four thousand, thirty-eight".