1400544425 has 12 divisors (see below), whose sum is σ = 1984771776. Its totient is φ = 960373200.

The previous prime is 1400544281. The next prime is 1400544433. The reversal of 1400544425 is 5244450041.

It is not a de Polignac number, because 1400544425 - 2¹⁶ = 1400478889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4001381 + ... + 4001730.

It is an arithmetic number, because the mean of its divisors is an integer number (165397648).

Almost surely, 2^1400544425 is an apocalyptic number.

It is an amenable number.

1400544425 is a deficient number, since it is larger than the sum of its proper divisors (584227351).

1400544425 is an equidigital number, since it uses as much as digits as its factorization.

1400544425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003128 (or 8003123 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1400544425 is about 37423.8483456739. The cubic root of 1400544425 is about 1118.8339333426.

Adding to 1400544425 its reverse (5244450041), we get a palindrome (6644994466).

The spelling of 1400544425 in words is "one billion, four hundred million, five hundred forty-four thousand, four hundred twenty-five".