540426403 has 16 divisors (see below), whose sum is σ = 606697056. Its totient is φ = 477066240.

The previous prime is 540426349. The next prime is 540426407. The reversal of 540426403 is 304624045.

It is a cyclic number.

It is not a de Polignac number, because 540426403 - 2¹⁷ = 540295331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540426407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272925 + ... + 274897.

It is an arithmetic number, because the mean of its divisors is an integer number (37918566).

Almost surely, 2^540426403 is an apocalyptic number.

540426403 is a deficient number, since it is larger than the sum of its proper divisors (66270653).

540426403 is a wasteful number, since it uses less digits than its factorization.

540426403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 540426403 is about 23247.0729985519. The cubic root of 540426403 is about 814.5395685522.

The spelling of 540426403 in words is "five hundred forty million, four hundred twenty-six thousand, four hundred three".