2140401041838 has 48 divisors (see below), whose sum is σ = 4792951228416. Its totient is φ = 689612855760.

The previous prime is 2140401041827. The next prime is 2140401041839. The reversal of 2140401041838 is 8381401040412.

It is a happy number.

2140401041838 is a `hidden beast` number, since 214 + 0 + 401 + 0 + 4 + 1 + 8 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140401041839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1871170 + ... + 2789637.

It is an arithmetic number, because the mean of its divisors is an integer number (99853150592).

Almost surely, 2^{2140401041838} is an apocalyptic number.

2140401041838 is an abundant number, since it is smaller than the sum of its proper divisors (2652550186578).

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

2140401041838 is a wasteful number, since it uses less digits than its factorization.

2140401041838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661669 (or 4661666 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 2140401041838 in words is "two trillion, one hundred forty billion, four hundred one million, forty-one thousand, eight hundred thirty-eight".