1430644155550 has 24 divisors (see below), whose sum is σ = 2675864057400. Its totient is φ = 569060688480.

The previous prime is 1430644155527. The next prime is 1430644155553. The reversal of 1430644155550 is 555514460341.

It is a junction number, because it is equal to n+sod(n) for n = 1430644155497 and 1430644155506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430644155553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79915305 + ... + 79933204.

It is an arithmetic number, because the mean of its divisors is an integer number (111494335725).

Almost surely, 2^{1430644155550} is an apocalyptic number.

1430644155550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430644155550 is a deficient number, since it is larger than the sum of its proper divisors (1245219901850).

1430644155550 is a wasteful number, since it uses less digits than its factorization.

1430644155550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159848700 (or 159848695 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 1430644155550 in words is "one trillion, four hundred thirty billion, six hundred forty-four million, one hundred fifty-five thousand, five hundred fifty".