1445300120400 has 60 divisors (see below), whose sum is σ = 4629778056192. Its totient is φ = 385413365120.

The previous prime is 1445300120371. The next prime is 1445300120419. The reversal of 1445300120400 is 40210035441.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602207184 + ... + 602209583.

Almost surely, 2^{1445300120400} is an apocalyptic number.

1445300120400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445300120400 is an abundant number, since it is smaller than the sum of its proper divisors (3184477935792).

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

1445300120400 is a wasteful number, since it uses less digits than its factorization.

1445300120400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204416788 (or 1204416777 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 1445300120400 its reverse (40210035441), we get a palindrome (1485510155841).

The spelling of 1445300120400 in words is "one trillion, four hundred forty-five billion, three hundred million, one hundred twenty thousand, four hundred".