10356240 has 40 divisors (see below), whose sum is σ = 32105088. Its totient is φ = 2761600.

The previous prime is 10356239. The next prime is 10356259. The reversal of 10356240 is 4265301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×10356240³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21336 + ... + 21815.

Almost surely, 2^10356240 is an apocalyptic number.

10356240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10356240 is an abundant number, since it is smaller than the sum of its proper divisors (21748848).

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

10356240 is a wasteful number, since it uses less digits than its factorization.

10356240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43167 (or 43161 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 10356240 is about 3218.1112473002. Note that the first 3 decimals coincide. The cubic root of 10356240 is about 217.9719965152.

The spelling of 10356240 in words is "ten million, three hundred fifty-six thousand, two hundred forty".