1255442016 has 48 divisors (see below), whose sum is σ = 3409182000. Its totient is φ = 404049408.

The previous prime is 1255442003. The next prime is 1255442063. The reversal of 1255442016 is 6102445521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1255442016² = 3152269311076288512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222691 + ... + 228258.

It is an arithmetic number, because the mean of its divisors is an integer number (71024625).

Almost surely, 2^1255442016 is an apocalyptic number.

1255442016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1255442016 is an abundant number, since it is smaller than the sum of its proper divisors (2153739984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255442016 is a wasteful number, since it uses less digits than its factorization.

1255442016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450991 (or 450983 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1255442016 is about 35432.2172041209. The cubic root of 1255442016 is about 1078.7783442812.

Adding to 1255442016 its reverse (6102445521), we get a palindrome (7357887537).

The spelling of 1255442016 in words is "one billion, two hundred fifty-five million, four hundred forty-two thousand, sixteen".