474663843840 has 384 divisors, whose sum is σ = 1556302325760. Its totient is φ = 123450163200.

The previous prime is 474663843839. The next prime is 474663843853. The reversal of 474663843840 is 48348366474.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752240325 + ... + 752240955.

It is an arithmetic number, because the mean of its divisors is an integer number (4052870640).

Almost surely, 2^474663843840 is an apocalyptic number.

474663843840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474663843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778151162880).

474663843840 is an abundant number, since it is smaller than the sum of its proper divisors (1081638481920).

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

474663843840 is a wasteful number, since it uses less digits than its factorization.

474663843840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 57.

The spelling of 474663843840 in words is "four hundred seventy-four billion, six hundred sixty-three million, eight hundred forty-three thousand, eight hundred forty".