1402442450 has 48 divisors (see below), whose sum is σ = 2685825864. Its totient is φ = 544435200.

The previous prime is 1402442443. The next prime is 1402442467. The reversal of 1402442450 is 542442041.

It can be written as a sum of positive squares in 12 ways, for example, as 4355569 + 1398086881 = 2087^2 + 37391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1029770 + ... + 1031130.

Almost surely, 2^1402442450 is an apocalyptic number.

1402442450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402442450 is a deficient number, since it is larger than the sum of its proper divisors (1283383414).

1402442450 is a wasteful number, since it uses less digits than its factorization.

1402442450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1402442450 is about 37449.1982557704. The cubic root of 1402442450 is about 1119.3391216982.

Adding to 1402442450 its reverse (542442041), we get a palindrome (1944884491).

The spelling of 1402442450 in words is "one billion, four hundred two million, four hundred forty-two thousand, four hundred fifty".