476236640340 has 288 divisors, whose sum is σ = 1542098113920. Its totient is φ = 118549536768.

The previous prime is 476236640293. The next prime is 476236640351. The reversal of 476236640340 is 43046632674.

476236640340 is a `hidden beast` number, since 4 + 7 + 6 + 236 + 6 + 403 + 4 + 0 = 666.

It is a super-3 number, since 3×476236640340³ (a number of 36 digits) contains 333 as substring.

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 95 ways as a sum of consecutive naturals, for example, 467356351 + ... + 467357369.

It is an arithmetic number, because the mean of its divisors is an integer number (5354507340).

Almost surely, 2^476236640340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476236640340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771049056960).

476236640340 is an abundant number, since it is smaller than the sum of its proper divisors (1065861473580).

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

476236640340 is a wasteful number, since it uses less digits than its factorization.

476236640340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 45.

The spelling of 476236640340 in words is "four hundred seventy-six billion, two hundred thirty-six million, six hundred forty thousand, three hundred forty".