2351094840 has 192 divisors, whose sum is σ = 7846956000. Its totient is φ = 610262016.

The previous prime is 2351094821. The next prime is 2351094847. The reversal of 2351094840 is 484901532.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2351094795 and 2351094804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351094847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2842507 + ... + 2843333.

Almost surely, 2^2351094840 is an apocalyptic number.

2351094840 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 2351094840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3923478000).

2351094840 is an abundant number, since it is smaller than the sum of its proper divisors (5495861160).

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

2351094840 is a wasteful number, since it uses less digits than its factorization.

2351094840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2351094840 is about 48488.0896715884. The cubic root of 2351094840 is about 1329.7093302644.

The spelling of 2351094840 in words is "two billion, three hundred fifty-one million, ninety-four thousand, eight hundred forty".