1401895424 has 20 divisors (see below), whose sum is σ = 2801053794. Its totient is φ = 700947456.

The previous prime is 1401895403. The next prime is 1401895427. The reversal of 1401895424 is 4245981041.

It can be written as a sum of positive squares in only one way, i.e., 919302400 + 482593024 = 30320^2 + 21968^2 .

It is not an unprimeable number, because it can be changed into a prime (1401895427) by changing a digit.

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 as a sum of consecutive naturals, namely, 1368527 + ... + 1369550.

Almost surely, 2^1401895424 is an apocalyptic number.

It is an amenable number.

1401895424 is a deficient number, since it is larger than the sum of its proper divisors (1399158370).

1401895424 is an frugal number, since it uses more digits than its factorization.

1401895424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738095 (or 2738079 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1401895424 is about 37441.8939691891. The cubic root of 1401895424 is about 1119.1935691468.

The spelling of 1401895424 in words is "one billion, four hundred one million, eight hundred ninety-five thousand, four hundred twenty-four".