1440215042948 has 12 divisors (see below), whose sum is σ = 2749501445712. Its totient is φ = 654643201320.

The previous prime is 1440215042947. The next prime is 1440215043083. The reversal of 1440215042948 is 8492405120441.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 32732160067 = 1440215042948 / (1 + 4 + 4 + 0 + 2 + 1 + 5 + 0 + 4 + 2 + 9 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1440215042899 and 1440215042908.

It is not an unprimeable number, because it can be changed into a prime (1440215042947) 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, 16366079990 + ... + 16366080077.

It is an arithmetic number, because the mean of its divisors is an integer number (229125120476).

Almost surely, 2^{1440215042948} is an apocalyptic number.

It is an amenable number.

1440215042948 is a deficient number, since it is larger than the sum of its proper divisors (1309286402764).

1440215042948 is a wasteful number, since it uses less digits than its factorization.

1440215042948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32732160082 (or 32732160080 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 1440215042948 in words is "one trillion, four hundred forty billion, two hundred fifteen million, forty-two thousand, nine hundred forty-eight".