1552149043632 has 560 divisors, whose sum is σ = 5206055184000. Its totient is φ = 443149885440.

The previous prime is 1552149043591. The next prime is 1552149043649. The reversal of 1552149043632 is 2363409412551.

1552149043632 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 1 + 4 + 9 + 0 + 4 + 3 + 632 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 470489119 + ... + 470492417.

Almost surely, 2^{1552149043632} is an apocalyptic number.

1552149043632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552149043632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603027592000).

1552149043632 is an abundant number, since it is smaller than the sum of its proper divisors (3653906140368).

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

1552149043632 is a wasteful number, since it uses less digits than its factorization.

1552149043632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1552149043632 in words is "one trillion, five hundred fifty-two billion, one hundred forty-nine million, forty-three thousand, six hundred thirty-two".