1401630850 has 12 divisors (see below), whose sum is σ = 2607033474. Its totient is φ = 560652320.

The previous prime is 1401630847. The next prime is 1401630863. The reversal of 1401630850 is 580361041.

It can be written as a sum of positive squares in 3 ways, for example, as 887384521 + 514246329 = 29789^2 + 22677^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14016259 + ... + 14016358.

Almost surely, 2^1401630850 is an apocalyptic number.

1401630850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401630850 is a deficient number, since it is larger than the sum of its proper divisors (1205402624).

1401630850 is a wasteful number, since it uses less digits than its factorization.

1401630850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032629 (or 28032624 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1401630850 is about 37438.3606745808. The cubic root of 1401630850 is about 1119.1231577728.

Adding to 1401630850 its reverse (580361041), we get a palindrome (1981991891).

The spelling of 1401630850 in words is "one billion, four hundred one million, six hundred thirty thousand, eight hundred fifty".