1340242024 has 16 divisors (see below), whose sum is σ = 2741404320. Its totient is φ = 609200880.

The previous prime is 1340241997. The next prime is 1340242051. The reversal of 1340242024 is 4202420431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340241997) and next prime (1340242051).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1340241986 and 1340242004.

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, 7614924 + ... + 7615099.

It is an arithmetic number, because the mean of its divisors is an integer number (171337770).

Almost surely, 2^1340242024 is an apocalyptic number.

It is an amenable number.

1340242024 is an abundant number, since it is smaller than the sum of its proper divisors (1401162296).

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

1340242024 is a wasteful number, since it uses less digits than its factorization.

1340242024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230040 (or 15230036 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1340242024 is about 36609.3160821122. The cubic root of 1340242024 is about 1102.5401418601.

Adding to 1340242024 its reverse (4202420431), we get a palindrome (5542662455).

The spelling of 1340242024 in words is "one billion, three hundred forty million, two hundred forty-two thousand, twenty-four".