4240352978 has 8 divisors (see below), whose sum is σ = 6364893360. Its totient is φ = 2118721860.

The previous prime is 4240352953. The next prime is 4240352981. The reversal of 4240352978 is 8792530424.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723668 + ... + 729503.

It is an arithmetic number, because the mean of its divisors is an integer number (795611670).

Almost surely, 2^4240352978 is an apocalyptic number.

4240352978 is a deficient number, since it is larger than the sum of its proper divisors (2124540382).

4240352978 is a wasteful number, since it uses less digits than its factorization.

4240352978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454632.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 4240352978 is about 65117.9927362630. The cubic root of 4240352978 is about 1618.5793797440.

The spelling of 4240352978 in words is "four billion, two hundred forty million, three hundred fifty-two thousand, nine hundred seventy-eight".