106256240 has 20 divisors (see below), whose sum is σ = 247045944. Its totient is φ = 42502464.

The previous prime is 106256219. The next prime is 106256263. The reversal of 106256240 is 42652601.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×106256240² = 22580777077875200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664022 + ... + 664181.

Almost surely, 2^106256240 is an apocalyptic number.

106256240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106256240 is an abundant number, since it is smaller than the sum of its proper divisors (140789704).

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

106256240 is a wasteful number, since it uses less digits than its factorization.

106256240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328216 (or 1328210 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 106256240 is about 10308.0667440602. The cubic root of 106256240 is about 473.6433904958.

The spelling of 106256240 in words is "one hundred six million, two hundred fifty-six thousand, two hundred forty".