1406621010406 has 8 divisors (see below), whose sum is σ = 2133638611560. Its totient is φ = 695408139888.

The previous prime is 1406621010391. The next prime is 1406621010407. The reversal of 1406621010406 is 6040101266041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406621010407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3951182436 + ... + 3951182791.

It is an arithmetic number, because the mean of its divisors is an integer number (266704826445).

Almost surely, 2^{1406621010406} is an apocalyptic number.

1406621010406 is a deficient number, since it is larger than the sum of its proper divisors (727017601154).

1406621010406 is an equidigital number, since it uses as much as digits as its factorization.

1406621010406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902365318.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 1406621010406 its reverse (6040101266041), we get a palindrome (7446722276447).

The spelling of 1406621010406 in words is "one trillion, four hundred six billion, six hundred twenty-one million, ten thousand, four hundred six".