9369401840 has 20 divisors (see below), whose sum is σ = 21783859464. Its totient is φ = 3747760704.

The previous prime is 9369401813. The next prime is 9369401843. The reversal of 9369401840 is 481049639.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 9369401791 and 9369401800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9369401843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58558682 + ... + 58558841.

Almost surely, 2^9369401840 is an apocalyptic number.

It is an amenable number.

9369401840 is an abundant number, since it is smaller than the sum of its proper divisors (12414457624).

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

9369401840 is a wasteful number, since it uses less digits than its factorization.

9369401840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117117536 (or 117117530 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 9369401840 is about 96795.6705643388. The cubic root of 9369401840 is about 2108.1618755966.

The spelling of 9369401840 in words is "nine billion, three hundred sixty-nine million, four hundred one thousand, eight hundred forty".