1405242055 has 32 divisors (see below), whose sum is σ = 2011835520. Its totient is φ = 922129920.

The previous prime is 1405242029. The next prime is 1405242101. The reversal of 1405242055 is 5502425041.

It is not a de Polignac number, because 1405242055 - 2⁵ = 1405242023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70101 + ... + 87889.

It is an arithmetic number, because the mean of its divisors is an integer number (62869860).

Almost surely, 2^1405242055 is an apocalyptic number.

1405242055 is a deficient number, since it is larger than the sum of its proper divisors (606593465).

1405242055 is a wasteful number, since it uses less digits than its factorization.

1405242055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17899.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1405242055 is about 37486.5583242847. The cubic root of 1405242055 is about 1120.0834480234.

Adding to 1405242055 its reverse (5502425041), we get a palindrome (6907667096).

The spelling of 1405242055 in words is "one billion, four hundred five million, two hundred forty-two thousand, fifty-five".