1440051136 has 28 divisors (see below), whose sum is σ = 2887073728. Its totient is φ = 712599552.

The previous prime is 1440051133. The next prime is 1440051139. The reversal of 1440051136 is 6311500441.

It is an interprime number because it is at equal distance from previous prime (1440051133) and next prime (1440051139).

It is a self number, because there is not a number n which added to its sum of digits gives 1440051136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440051131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109776 + ... + 122191.

It is an arithmetic number, because the mean of its divisors is an integer number (103109776).

Almost surely, 2^1440051136 is an apocalyptic number.

1440051136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1440051136 is an abundant number, since it is smaller than the sum of its proper divisors (1447022592).

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

1440051136 is an equidigital number, since it uses as much as digits as its factorization.

1440051136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232076 (or 232066 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1440051136 is about 37948.0056919992. The cubic root of 1440051136 is about 1129.2566013930.

Adding to 1440051136 its reverse (6311500441), we get a palindrome (7751551577).

It can be divided in two parts, 14400 and 51136, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 1440051136 in words is "one billion, four hundred forty million, fifty-one thousand, one hundred thirty-six".