4000540502 has 8 divisors (see below), whose sum is σ = 6858069456. Its totient is φ = 1714517352.

The previous prime is 4000540499. The next prime is 4000540507. The reversal of 4000540502 is 2050450004.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000540507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142876433 + ... + 142876460.

It is an arithmetic number, because the mean of its divisors is an integer number (857258682).

Almost surely, 2^4000540502 is an apocalyptic number.

4000540502 is a deficient number, since it is larger than the sum of its proper divisors (2857528954).

4000540502 is a wasteful number, since it uses less digits than its factorization.

4000540502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285752902.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4000540502 is about 63249.8261025277. The cubic root of 4000540502 is about 1587.4725482016.

Adding to 4000540502 its reverse (2050450004), we get a palindrome (6050990506).

The spelling of 4000540502 in words is "four billion, five hundred forty thousand, five hundred two".