1438480913976 has 64 divisors (see below), whose sum is σ = 3996593287200. Its totient is φ = 479396081664.

The previous prime is 1438480913957. The next prime is 1438480914007. The reversal of 1438480913976 is 6793190848341.

1438480913976 is a `hidden beast` number, since 1 + 4 + 3 + 84 + 80 + 91 + 397 + 6 = 666.

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, 390520 + ... + 1740536.

Almost surely, 2^{1438480913976} is an apocalyptic number.

It is an amenable number.

1438480913976 is an abundant number, since it is smaller than the sum of its proper divisors (2558112373224).

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

1438480913976 is a wasteful number, since it uses less digits than its factorization.

1438480913976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354965 (or 1354955 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 1438480913976 in words is "one trillion, four hundred thirty-eight billion, four hundred eighty million, nine hundred thirteen thousand, nine hundred seventy-six".