1406690394000 has 80 divisors (see below), whose sum is σ = 4535169849600. Its totient is φ = 375117436800.

The previous prime is 1406690393993. The next prime is 1406690394049. The reversal of 1406690394000 is 4930966041.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117218200 + ... + 117230199.

It is an arithmetic number, because the mean of its divisors is an integer number (56689623120).

Almost surely, 2^{1406690394000} is an apocalyptic number.

1406690394000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406690394000 is an abundant number, since it is smaller than the sum of its proper divisors (3128479455600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1406690394000 is a wasteful number, since it uses less digits than its factorization.

1406690394000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234448425 (or 234448409 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 1406690394000 in words is "one trillion, four hundred six billion, six hundred ninety million, three hundred ninety-four thousand".