9406890013920 has 192 divisors, whose sum is σ = 34328706370560. Its totient is φ = 2120692174848.

The previous prime is 9406890013879. The next prime is 9406890014047. The reversal of 9406890013920 is 293100986049.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18930540 + ... + 19421099.

It is an arithmetic number, because the mean of its divisors is an integer number (178795345680).

Almost surely, 2^{9406890013920} is an apocalyptic number.

It is an amenable number.

9406890013920 is an abundant number, since it is smaller than the sum of its proper divisors (24921816356640).

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

9406890013920 is a wasteful number, since it uses less digits than its factorization.

9406890013920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38351737 (or 38351729 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

Adding to 9406890013920 its reverse (293100986049), we get a palindrome (9699990999969).

The spelling of 9406890013920 in words is "nine trillion, four hundred six billion, eight hundred ninety million, thirteen thousand, nine hundred twenty".