240400319 has 8 divisors (see below), whose sum is σ = 248423040. Its totient is φ = 232394400.

The previous prime is 240400309. The next prime is 240400409. The reversal of 240400319 is 913004042.

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

It is a cyclic number.

It is not a de Polignac number, because 240400319 - 2¹² = 240396223 is a prime.

It is a super-2 number, since 2×240400319² = 115584626750603522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240400294 and 240400303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240400309) 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, 29237 + ... + 36545.

It is an arithmetic number, because the mean of its divisors is an integer number (31052880).

Almost surely, 2^240400319 is an apocalyptic number.

240400319 is a deficient number, since it is larger than the sum of its proper divisors (8022721).

240400319 is a wasteful number, since it uses less digits than its factorization.

240400319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 240400319 is about 15504.8482417597. The cubic root of 240400319 is about 621.7918326496.

The spelling of 240400319 in words is "two hundred forty million, four hundred thousand, three hundred nineteen".