4000248743 has 8 divisors (see below), whose sum is σ = 4034540400. Its totient is φ = 3966056640.

The previous prime is 4000248739. The next prime is 4000248779. The reversal of 4000248743 is 3478420004.

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 4000248743 - 2² = 4000248739 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 (4000248713) 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, 56963 + ... + 106043.

It is an arithmetic number, because the mean of its divisors is an integer number (504317550).

Almost surely, 2^4000248743 is an apocalyptic number.

4000248743 is a deficient number, since it is larger than the sum of its proper divisors (34291657).

4000248743 is a wasteful number, since it uses less digits than its factorization.

4000248743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49777.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 4000248743 is about 63247.5196588767. The cubic root of 4000248743 is about 1587.4339558611.

Adding to 4000248743 its reverse (3478420004), we get a palindrome (7478668747).

The spelling of 4000248743 in words is "four billion, two hundred forty-eight thousand, seven hundred forty-three".