240354421 has 8 divisors (see below), whose sum is σ = 244106784. Its totient is φ = 236630160.

The previous prime is 240354409. The next prime is 240354437. The reversal of 240354421 is 124453042.

It is a happy number.

240354421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 240354421 - 2¹⁹ = 239830133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240334421) 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, 10551 + ... + 24331.

It is an arithmetic number, because the mean of its divisors is an integer number (30513348).

Almost surely, 2^240354421 is an apocalyptic number.

It is an amenable number.

240354421 is a deficient number, since it is larger than the sum of its proper divisors (3752363).

240354421 is a wasteful number, since it uses less digits than its factorization.

240354421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14051.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240354421 is about 15503.3680534263. The cubic root of 240354421 is about 621.7522586339.

The spelling of 240354421 in words is "two hundred forty million, three hundred fifty-four thousand, four hundred twenty-one".