1440933793990 has 64 divisors (see below), whose sum is σ = 2690723381760. Its totient is φ = 554997381120.

The previous prime is 1440933793967. The next prime is 1440933793991. The reversal of 1440933793990 is 993973390441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440933793991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132958852 + ... + 132969688.

It is an arithmetic number, because the mean of its divisors is an integer number (42042552840).

Almost surely, 2^{1440933793990} is an apocalyptic number.

1440933793990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440933793990 is a deficient number, since it is larger than the sum of its proper divisors (1249789587770).

1440933793990 is a wasteful number, since it uses less digits than its factorization.

1440933793990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977.

The product of its (nonzero) digits is 19840464, while the sum is 61.

The spelling of 1440933793990 in words is "one trillion, four hundred forty billion, nine hundred thirty-three million, seven hundred ninety-three thousand, nine hundred ninety".