1540422011144 has 64 divisors (see below), whose sum is σ = 2985479648640. Its totient is φ = 744724664320.

The previous prime is 1540422011069. The next prime is 1540422011153. The reversal of 1540422011144 is 4411102240451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82867019 + ... + 82885605.

It is an arithmetic number, because the mean of its divisors is an integer number (46648119510).

Almost surely, 2^{1540422011144} is an apocalyptic number.

It is an amenable number.

1540422011144 is a deficient number, since it is larger than the sum of its proper divisors (1445057637496).

1540422011144 is a wasteful number, since it uses less digits than its factorization.

1540422011144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21470 (or 21466 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 1540422011144 its reverse (4411102240451), we get a palindrome (5951524251595).

The spelling of 1540422011144 in words is "one trillion, five hundred forty billion, four hundred twenty-two million, eleven thousand, one hundred forty-four".