540507370032403 has 4 divisors (see below), whose sum is σ = 540512183339800. Its totient is φ = 540502556725008.

The previous prime is 540507370032373. The next prime is 540507370032431. The reversal of 540507370032403 is 304230073705045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540507370032403 - 2²¹ = 540507367935251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540507370032403.

It is not an unprimeable number, because it can be changed into a prime (540507370032503) 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, 2406485253 + ... + 2406709846.

It is an arithmetic number, because the mean of its divisors is an integer number (135128045834950).

Almost surely, 2^{540507370032403} is an apocalyptic number.

540507370032403 is a deficient number, since it is larger than the sum of its proper divisors (4813307397).

540507370032403 is a wasteful number, since it uses less digits than its factorization.

540507370032403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813307396.

The product of its (nonzero) digits is 1058400, while the sum is 43.

The spelling of 540507370032403 in words is "five hundred forty trillion, five hundred seven billion, three hundred seventy million, thirty-two thousand, four hundred three".