240779904 has 64 divisors (see below), whose sum is σ = 641245440. Its totient is φ = 80050176.

The previous prime is 240779897. The next prime is 240779911. The reversal of 240779904 is 409977042.

It is an interprime number because it is at equal distance from previous prime (240779897) and next prime (240779911).

It is a tau number, because it is divible by the number of its divisors (64).

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, 232572 + ... + 233604.

It is an arithmetic number, because the mean of its divisors is an integer number (10019460).

Almost surely, 2^240779904 is an apocalyptic number.

240779904 is a gapful number since it is divisible by the number (24) 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 240779904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320622720).

240779904 is an abundant number, since it is smaller than the sum of its proper divisors (400465536).

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

240779904 is a wasteful number, since it uses less digits than its factorization.

240779904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 240779904 is about 15517.0842621931. The cubic root of 240779904 is about 622.1189241974.

The spelling of 240779904 in words is "two hundred forty million, seven hundred seventy-nine thousand, nine hundred four".