2349942951840 has 384 divisors, whose sum is σ = 8129998356480. Its totient is φ = 565831065600.

The previous prime is 2349942951821. The next prime is 2349942951859. The reversal of 2349942951840 is 481592499432.

It is an interprime number because it is at equal distance from previous prime (2349942951821) and next prime (2349942951859).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 864266001 + ... + 864268719.

It is an arithmetic number, because the mean of its divisors is an integer number (21171870720).

Almost surely, 2^{2349942951840} is an apocalyptic number.

2349942951840 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 2349942951840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064999178240).

2349942951840 is an abundant number, since it is smaller than the sum of its proper divisors (5780055404640).

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

2349942951840 is a wasteful number, since it uses less digits than its factorization.

2349942951840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3788 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 2349942951840 in words is "two trillion, three hundred forty-nine billion, nine hundred forty-two million, nine hundred fifty-one thousand, eight hundred forty".