387351506432 has 160 divisors (see below), whose sum is σ = 851868762624. Its totient is φ = 174499430400.

The previous prime is 387351506431. The next prime is 387351506449. The reversal of 387351506432 is 234605153783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387351506431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398919707 + ... + 398920677.

Almost surely, 2^387351506432 is an apocalyptic number.

387351506432 is a gapful number since it is divisible by the number (32) 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 387351506432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425934381312).

387351506432 is an abundant number, since it is smaller than the sum of its proper divisors (464517256192).

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

387351506432 is a wasteful number, since it uses less digits than its factorization.

387351506432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 387351506432 in words is "three hundred eighty-seven billion, three hundred fifty-one million, five hundred six thousand, four hundred thirty-two".