1401250444 has 24 divisors (see below), whose sum is σ = 2682722448. Its totient is φ = 635120640.

The previous prime is 1401250423. The next prime is 1401250463. The reversal of 1401250444 is 4440521041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29577 + ... + 60640.

It is an arithmetic number, because the mean of its divisors is an integer number (111780102).

Almost surely, 2^1401250444 is an apocalyptic number.

It is an amenable number.

1401250444 is a deficient number, since it is larger than the sum of its proper divisors (1281472004).

1401250444 is a wasteful number, since it uses less digits than its factorization.

1401250444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90585 (or 90583 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1401250444 is about 37433.2798990417. The cubic root of 1401250444 is about 1119.0219043689.

Adding to 1401250444 its reverse (4440521041), we get a palindrome (5841771485).

The spelling of 1401250444 in words is "one billion, four hundred one million, two hundred fifty thousand, four hundred forty-four".