235016640 has 140 divisors (see below), whose sum is σ = 836087736. Its totient is φ = 62664192.

The previous prime is 235016627. The next prime is 235016651. The reversal of 235016640 is 46610532.

235016640 is a `hidden beast` number, since 2 + 3 + 5 + 0 + 16 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21387 + ... + 30453.

Almost surely, 2^235016640 is an apocalyptic number.

235016640 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 235016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418043868).

235016640 is an abundant number, since it is smaller than the sum of its proper divisors (601071096).

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

235016640 is an equidigital number, since it uses as much as digits as its factorization.

235016640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096 (or 9077 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 235016640 is about 15330.2524441054. The cubic root of 235016640 is about 617.1151442582.

The spelling of 235016640 in words is "two hundred thirty-five million, sixteen thousand, six hundred forty".