540390455 has 16 divisors (see below), whose sum is σ = 724677408. Its totient is φ = 383424000.

The previous prime is 540390421. The next prime is 540390463. The reversal of 540390455 is 554093045.

It is not a de Polignac number, because 540390455 - 2¹² = 540386359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117566 + ... + 122075.

It is an arithmetic number, because the mean of its divisors is an integer number (45292338).

Almost surely, 2^540390455 is an apocalyptic number.

540390455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

540390455 is a deficient number, since it is larger than the sum of its proper divisors (184286953).

540390455 is a wasteful number, since it uses less digits than its factorization.

540390455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239698.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 540390455 is about 23246.2998130885. The cubic root of 540390455 is about 814.5215076793.

The spelling of 540390455 in words is "five hundred forty million, three hundred ninety thousand, four hundred fifty-five".