378290206620 has 72 divisors (see below), whose sum is σ = 1149389907120. Its totient is φ = 100709510400.

The previous prime is 378290206583. The next prime is 378290206633. The reversal of 378290206620 is 26602092873.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1640250 + ... + 1856609.

It is an arithmetic number, because the mean of its divisors is an integer number (15963748710).

Almost surely, 2^378290206620 is an apocalyptic number.

378290206620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378290206620 is an abundant number, since it is smaller than the sum of its proper divisors (771099700500).

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

378290206620 is a wasteful number, since it uses less digits than its factorization.

378290206620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497475 (or 3497470 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 378290206620 in words is "three hundred seventy-eight billion, two hundred ninety million, two hundred six thousand, six hundred twenty".