397647550410 has 128 divisors (see below), whose sum is σ = 1078738974720. Its totient is φ = 92977248000.

The previous prime is 397647550403. The next prime is 397647550427. The reversal of 397647550410 is 14055746793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 839235 + ... + 1224585.

It is an arithmetic number, because the mean of its divisors is an integer number (8427648240).

Almost surely, 2^397647550410 is an apocalyptic number.

397647550410 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 397647550410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539369487360).

397647550410 is an abundant number, since it is smaller than the sum of its proper divisors (681091424310).

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

397647550410 is a wasteful number, since it uses less digits than its factorization.

397647550410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385484.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 397647550410 in words is "three hundred ninety-seven billion, six hundred forty-seven million, five hundred fifty thousand, four hundred ten".