1443200402040 has 64 divisors (see below), whose sum is σ = 4333298981760. Its totient is φ = 384524749440.

The previous prime is 1443200402029. The next prime is 1443200402053. The reversal of 1443200402040 is 402040023441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1443200402040.

It is a congruent number.

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, 4994694 + ... + 5275733.

It is an arithmetic number, because the mean of its divisors is an integer number (67707796590).

Almost surely, 2^{1443200402040} is an apocalyptic number.

1443200402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443200402040 is an abundant number, since it is smaller than the sum of its proper divisors (2890098579720).

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

1443200402040 is a wasteful number, since it uses less digits than its factorization.

1443200402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271612 (or 10271608 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1443200402040 its reverse (402040023441), we get a palindrome (1845240425481).

The spelling of 1443200402040 in words is "one trillion, four hundred forty-three billion, two hundred million, four hundred two thousand, forty".