235472311620 has 648 divisors, whose sum is σ = 925022898072. Its totient is φ = 48056924160.

The previous prime is 235472311619. The next prime is 235472311631. The reversal of 235472311620 is 26113274532.

235472311620 is a `hidden beast` number, since 2 + 3 + 5 + 4 + 7 + 23 + 1 + 1 + 620 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5901005124 + 229571306496 = 76818^2 + 479136^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 110187192 + ... + 110189328.

Almost surely, 2^235472311620 is an apocalyptic number.

235472311620 is a gapful number since it is divisible by the number (20) 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 235472311620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462511449036).

235472311620 is an abundant number, since it is smaller than the sum of its proper divisors (689550586452).

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

235472311620 is a wasteful number, since it uses less digits than its factorization.

235472311620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 235472311620 in words is "two hundred thirty-five billion, four hundred seventy-two million, three hundred eleven thousand, six hundred twenty".