1401334250 has 16 divisors (see below), whose sum is σ = 2623298184. Its totient is φ = 560533600.

The previous prime is 1401334247. The next prime is 1401334283. The reversal of 1401334250 is 524331041.

It can be written as a sum of positive squares in 4 ways, for example, as 548168569 + 853165681 = 23413^2 + 29209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2802419 + ... + 2802918.

Almost surely, 2^1401334250 is an apocalyptic number.

1401334250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401334250 is a deficient number, since it is larger than the sum of its proper divisors (1221963934).

1401334250 is an equidigital number, since it uses as much as digits as its factorization.

1401334250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605354 (or 5605344 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1401334250 is about 37434.3992872866. The cubic root of 1401334250 is about 1119.0442127484.

Adding to 1401334250 its reverse (524331041), we get a palindrome (1925665291).

The spelling of 1401334250 in words is "one billion, four hundred one million, three hundred thirty-four thousand, two hundred fifty".