1402005255 has 32 divisors (see below), whose sum is σ = 2582406144. Its totient is φ = 636231936.

The previous prime is 1402005251. The next prime is 1402005281. The reversal of 1402005255 is 5525002041.

It is a happy number.

It is not a de Polignac number, because 1402005255 - 2² = 1402005251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402005251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34347 + ... + 63116.

It is an arithmetic number, because the mean of its divisors is an integer number (80700192).

Almost surely, 2^1402005255 is an apocalyptic number.

1402005255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1402005255 is a deficient number, since it is larger than the sum of its proper divisors (1180400889).

1402005255 is a wasteful number, since it uses less digits than its factorization.

1402005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97615.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1402005255 is about 37443.3606264181. The cubic root of 1402005255 is about 1119.2227959914. Note that the first 3 decimals are identical.

Adding to 1402005255 its reverse (5525002041), we get a palindrome (6927007296).

The spelling of 1402005255 in words is "one billion, four hundred two million, five thousand, two hundred fifty-five".