2353556940 has 192 divisors, whose sum is σ = 7722086400. Its totient is φ = 524519424.

The previous prime is 2353556917. The next prime is 2353556957. The reversal of 2353556940 is 496553532.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2353556892 and 2353556901.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2952622 + ... + 2953418.

It is an arithmetic number, because the mean of its divisors is an integer number (40219200).

Almost surely, 2^2353556940 is an apocalyptic number.

2353556940 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 2353556940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3861043200).

2353556940 is an abundant number, since it is smaller than the sum of its proper divisors (5368529460).

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

2353556940 is a wasteful number, since it uses less digits than its factorization.

2353556940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The square root of 2353556940 is about 48513.4717372402. The cubic root of 2353556940 is about 1330.1733318483.

The spelling of 2353556940 in words is "two billion, three hundred fifty-three million, five hundred fifty-six thousand, nine hundred forty".