380490821802 has 48 divisors (see below), whose sum is σ = 1014642195840. Its totient is φ = 100349227296.

The previous prime is 380490821801. The next prime is 380490821803. The reversal of 380490821802 is 208128094083.

380490821802 is a `hidden beast` number, since 3 + 8 + 0 + 490 + 82 + 1 + 80 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (380490821801) and next prime (380490821803).

It is a super-2 number, since 2×380490821802² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380490821801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116143302 + ... + 116146577.

It is an arithmetic number, because the mean of its divisors is an integer number (21138379080).

Almost surely, 2^380490821802 is an apocalyptic number.

380490821802 is an abundant number, since it is smaller than the sum of its proper divisors (634151374038).

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

380490821802 is a wasteful number, since it uses less digits than its factorization.

380490821802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232289907 (or 232289904 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 380490821802 in words is "three hundred eighty billion, four hundred ninety million, eight hundred twenty-one thousand, eight hundred two".