240578949 has 8 divisors (see below), whose sum is σ = 345446752. Its totient is φ = 148048560.

The previous prime is 240578929. The next prime is 240578953. The reversal of 240578949 is 949875042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240578949 - 2¹¹ = 240576901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240578898 and 240578907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240578909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3084307 + ... + 3084384.

It is an arithmetic number, because the mean of its divisors is an integer number (43180844).

Almost surely, 2^240578949 is an apocalyptic number.

It is an amenable number.

240578949 is a deficient number, since it is larger than the sum of its proper divisors (104867803).

240578949 is a wasteful number, since it uses less digits than its factorization.

240578949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168707.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 240578949 is about 15510.6076283297. The cubic root of 240578949 is about 621.9458024619.

The spelling of 240578949 in words is "two hundred forty million, five hundred seventy-eight thousand, nine hundred forty-nine".