1400242444 has 12 divisors (see below), whose sum is σ = 2457448000. Its totient is φ = 698114448.

The previous prime is 1400242439. The next prime is 1400242469. The reversal of 1400242444 is 4442420041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500124 + ... + 502915.

Almost surely, 2^1400242444 is an apocalyptic number.

It is an amenable number.

1400242444 is a deficient number, since it is larger than the sum of its proper divisors (1057205556).

1400242444 is a wasteful number, since it uses less digits than its factorization.

1400242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003392 (or 1003390 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1400242444 is about 37419.8135217160. The cubic root of 1400242444 is about 1118.7535144069.

Adding to 1400242444 its reverse (4442420041), we get a palindrome (5842662485).

The spelling of 1400242444 in words is "one billion, four hundred million, two hundred forty-two thousand, four hundred forty-four".