1440186494474 has 64 divisors (see below), whose sum is σ = 2759908515840. Its totient is φ = 548284628160.

The previous prime is 1440186494459. The next prime is 1440186494491. The reversal of 1440186494474 is 4744946810441.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296897 + ... + 1722939.

It is an arithmetic number, because the mean of its divisors is an integer number (43123570560).

Almost surely, 2^{1440186494474} is an apocalyptic number.

1440186494474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1440186494474 is a deficient number, since it is larger than the sum of its proper divisors (1319722021366).

1440186494474 is a wasteful number, since it uses less digits than its factorization.

1440186494474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426275.

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 1440186494474 in words is "one trillion, four hundred forty billion, one hundred eighty-six million, four hundred ninety-four thousand, four hundred seventy-four".