1440012748146 has 32 divisors (see below), whose sum is σ = 3298660068480. Its totient is φ = 410531918976.

The previous prime is 1440012748099. The next prime is 1440012748147. The reversal of 1440012748146 is 6418472100441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1440012748098 and 1440012748107.

It is not an unprimeable number, because it can be changed into a prime (1440012748147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37492861 + ... + 37531248.

It is an arithmetic number, because the mean of its divisors is an integer number (103083127140).

Almost surely, 2^{1440012748146} is an apocalyptic number.

1440012748146 is an abundant number, since it is smaller than the sum of its proper divisors (1858647320334).

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

1440012748146 is a wasteful number, since it uses less digits than its factorization.

1440012748146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75024578.

The product of its (nonzero) digits is 172032, while the sum is 42.

Adding to 1440012748146 its reverse (6418472100441), we get a palindrome (7858484848587).

The spelling of 1440012748146 in words is "one trillion, four hundred forty billion, twelve million, seven hundred forty-eight thousand, one hundred forty-six".