403140455 has 16 divisors (see below), whose sum is σ = 505327680. Its totient is φ = 308356608.

The previous prime is 403140433. The next prime is 403140467. The reversal of 403140455 is 554041304.

It is a cyclic number.

It is not a de Polignac number, because 403140455 - 2¹⁰ = 403139431 is a prime.

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, 1439 + ... + 28431.

It is an arithmetic number, because the mean of its divisors is an integer number (31582980).

Almost surely, 2^403140455 is an apocalyptic number.

403140455 is a deficient number, since it is larger than the sum of its proper divisors (102187225).

403140455 is a wasteful number, since it uses less digits than its factorization.

403140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27130.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 403140455 is about 20078.3578760814. The cubic root of 403140455 is about 738.7295311471.

Adding to 403140455 its reverse (554041304), we get a palindrome (957181759).

The spelling of 403140455 in words is "four hundred three million, one hundred forty thousand, four hundred fifty-five".