240261156 has 36 divisors (see below), whose sum is σ = 639293200. Its totient is φ = 75871728.

The previous prime is 240261121. The next prime is 240261173. The reversal of 240261156 is 651162042.

240261156 is a `hidden beast` number, since 2 + 40 + 2 + 611 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174946 + ... + 176313.

Almost surely, 2^240261156 is an apocalyptic number.

It is an amenable number.

240261156 is an abundant number, since it is smaller than the sum of its proper divisors (399032044).

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

240261156 is a wasteful number, since it uses less digits than its factorization.

240261156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351288 (or 351283 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 240261156 is about 15500.3598667902. The cubic root of 240261156 is about 621.6718284840.

The spelling of 240261156 in words is "two hundred forty million, two hundred sixty-one thousand, one hundred fifty-six".