386546441490 has 480 divisors, whose sum is σ = 1222171684272. Its totient is φ = 87284736000.

The previous prime is 386546441387. The next prime is 386546441521. The reversal of 386546441490 is 94144645683.

386546441490 is a `hidden beast` number, since 3 + 8 + 6 + 54 + 64 + 41 + 490 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 319217090049 + 67329351441 = 564993^2 + 259479^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 168282022 + ... + 168284318.

Almost surely, 2^386546441490 is an apocalyptic number.

386546441490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 386546441490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611085842136).

386546441490 is an abundant number, since it is smaller than the sum of its proper divisors (835625242782).

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

386546441490 is a wasteful number, since it uses less digits than its factorization.

386546441490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 386546441490 in words is "three hundred eighty-six billion, five hundred forty-six million, four hundred forty-one thousand, four hundred ninety".