235474274227640 has 64 divisors (see below), whose sum is σ = 621870284088000. Its totient is φ = 78552035877888.

The previous prime is 235474274227627. The next prime is 235474274227649. The reversal of 235474274227640 is 46722472474532.

It is a super-3 number, since 3×235474274227640³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235474274227640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235474274227649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11364578165 + ... + 11364598884.

It is an arithmetic number, because the mean of its divisors is an integer number (9716723188875).

Almost surely, 2^{235474274227640} is an apocalyptic number.

235474274227640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235474274227640 is an abundant number, since it is smaller than the sum of its proper divisors (386396009860360).

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

235474274227640 is a wasteful number, since it uses less digits than its factorization.

235474274227640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22729177104 (or 22729177100 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 59.

The spelling of 235474274227640 in words is "two hundred thirty-five trillion, four hundred seventy-four billion, two hundred seventy-four million, two hundred twenty-seven thousand, six hundred forty".