1530412894044 has 18 divisors (see below), whose sum is σ = 3868543704480. Its totient is φ = 510137631336.

The previous prime is 1530412894039. The next prime is 1530412894051. The reversal of 1530412894044 is 4404982140351.

1530412894044 is a `hidden beast` number, since 1 + 530 + 4 + 1 + 28 + 94 + 0 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1530412894044² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21255734604 + ... + 21255734675.

Almost surely, 2^{1530412894044} is an apocalyptic number.

It is an amenable number.

1530412894044 is an abundant number, since it is smaller than the sum of its proper divisors (2338130810436).

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

1530412894044 is a wasteful number, since it uses less digits than its factorization.

1530412894044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42511469289 (or 42511469284 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 1530412894044 in words is "one trillion, five hundred thirty billion, four hundred twelve million, eight hundred ninety-four thousand, forty-four".