2309471041920 has 1728 divisors, whose sum is σ = 9514434486960. Its totient is φ = 474945945600.

The previous prime is 2309471041897. The next prime is 2309471041931. The reversal of 2309471041920 is 291401749032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 22866049870 + ... + 22866049970.

Almost surely, 2^{2309471041920} is an apocalyptic number.

2309471041920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2309471041920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4757217243480).

2309471041920 is an abundant number, since it is smaller than the sum of its proper divisors (7204963445040).

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

2309471041920 is a wasteful number, since it uses less digits than its factorization.

2309471041920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 2309471041920 in words is "two trillion, three hundred nine billion, four hundred seventy-one million, forty-one thousand, nine hundred twenty".