1401794810 has 16 divisors (see below), whose sum is σ = 2717325576. Its totient is φ = 517585728.

The previous prime is 1401794809. The next prime is 1401794813. The reversal of 1401794810 is 184971041.

It can be written as a sum of positive squares in 4 ways, for example, as 1218219409 + 183575401 = 34903^2 + 13549^2 .

It is a super-2 number, since 2×1401794810² = 3930057378685872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1401794813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5391389 + ... + 5391648.

Almost surely, 2^1401794810 is an apocalyptic number.

1401794810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401794810 is a deficient number, since it is larger than the sum of its proper divisors (1315530766).

1401794810 is a wasteful number, since it uses less digits than its factorization.

1401794810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783057.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1401794810 is about 37440.5503431774. The cubic root of 1401794810 is about 1119.1667936746.

The spelling of 1401794810 in words is "one billion, four hundred one million, seven hundred ninety-four thousand, eight hundred ten".