1440242034 has 128 divisors (see below), whose sum is σ = 3695155200. Its totient is φ = 363417600.

The previous prime is 1440242033. The next prime is 1440242093. The reversal of 1440242034 is 4302420441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1440241995 and 1440242013.

It is not an unprimeable number, because it can be changed into a prime (1440242033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3207442 + ... + 3207890.

It is an arithmetic number, because the mean of its divisors is an integer number (28868400).

Almost surely, 2^1440242034 is an apocalyptic number.

1440242034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440242034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847577600).

1440242034 is an abundant number, since it is smaller than the sum of its proper divisors (2254913166).

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

1440242034 is a wasteful number, since it uses less digits than its factorization.

1440242034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1440242034 is about 37950.5208659908. The cubic root of 1440242034 is about 1129.3064985335.

Adding to 1440242034 its reverse (4302420441), we get a palindrome (5742662475).

The spelling of 1440242034 in words is "one billion, four hundred forty million, two hundred forty-two thousand, thirty-four".