1255424450 has 24 divisors (see below), whose sum is σ = 2668674432. Its totient is φ = 430431120.

The previous prime is 1255424399. The next prime is 1255424501. The reversal of 1255424450 is 544245521.

1255424450 = T₃₇₀₀ + T₃₇₀₁ + ... + T₃₈₇₄.

It is an interprime number because it is at equal distance from previous prime (1255424399) and next prime (1255424501).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1793114 + ... + 1793813.

It is an arithmetic number, because the mean of its divisors is an integer number (111194768).

Almost surely, 2^1255424450 is an apocalyptic number.

1255424450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255424450 is an abundant number, since it is smaller than the sum of its proper divisors (1413249982).

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

1255424450 is a wasteful number, since it uses less digits than its factorization.

1255424450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586946 (or 3586941 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1255424450 is about 35431.9693215040. The cubic root of 1255424450 is about 1078.7733128770.

Adding to 1255424450 its reverse (544245521), we get a palindrome (1799669971).

The spelling of 1255424450 in words is "one billion, two hundred fifty-five million, four hundred twenty-four thousand, four hundred fifty".