1330000421544 has 64 divisors (see below), whose sum is σ = 3732532742400. Its totient is φ = 438763018752.

The previous prime is 1330000421507. The next prime is 1330000421551. The reversal of 1330000421544 is 4451240000331.

It is a happy number.

It is a super-2 number, since 2×1330000421544² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 31718272 + ... + 31760175.

It is an arithmetic number, because the mean of its divisors is an integer number (58320824100).

Almost surely, 2^{1330000421544} is an apocalyptic number.

It is an amenable number.

1330000421544 is an abundant number, since it is smaller than the sum of its proper divisors (2402532320856).

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

1330000421544 is a wasteful number, since it uses less digits than its factorization.

1330000421544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63478559 (or 63478549 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1330000421544 its reverse (4451240000331), we get a palindrome (5781240421875).

The spelling of 1330000421544 in words is "one trillion, three hundred thirty billion, four hundred twenty-one thousand, five hundred forty-four".