380400652828 has 48 divisors (see below), whose sum is σ = 785244176640. Its totient is φ = 157873579776.

The previous prime is 380400652811. The next prime is 380400652843. The reversal of 380400652828 is 828256004083.

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, 1607725 + ... + 1829092.

It is an arithmetic number, because the mean of its divisors is an integer number (16359253680).

Almost surely, 2^380400652828 is an apocalyptic number.

It is an amenable number.

380400652828 is an abundant number, since it is smaller than the sum of its proper divisors (404843523812).

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

380400652828 is a wasteful number, since it uses less digits than its factorization.

380400652828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436954 (or 3436952 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 380400652828 in words is "three hundred eighty billion, four hundred million, six hundred fifty-two thousand, eight hundred twenty-eight".