30686401400 has 48 divisors (see below), whose sum is σ = 73274168040. Its totient is φ = 11942812800.

The previous prime is 30686401393. The next prime is 30686401423. The reversal of 30686401400 is 410468603.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2066006 + ... + 2080805.

Almost surely, 2^30686401400 is an apocalyptic number.

It is an amenable number.

30686401400 is an abundant number, since it is smaller than the sum of its proper divisors (42587766640).

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

30686401400 is a wasteful number, since it uses less digits than its factorization.

30686401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146864 (or 4146855 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 30686401400 in words is "thirty billion, six hundred eighty-six million, four hundred one thousand, four hundred".