2381740542 has 24 divisors (see below), whose sum is σ = 5299910616. Its totient is φ = 772456176.

The previous prime is 2381740531. The next prime is 2381740549. The reversal of 2381740542 is 2450471832.

It is a happy number.

2381740542 is a `hidden beast` number, since 238 + 17 + 405 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2381740497 and 2381740506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381740549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1787428 + ... + 1788759.

It is an arithmetic number, because the mean of its divisors is an integer number (220829609).

Almost surely, 2^2381740542 is an apocalyptic number.

2381740542 is an abundant number, since it is smaller than the sum of its proper divisors (2918170074).

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

2381740542 is a wasteful number, since it uses less digits than its factorization.

2381740542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576232 (or 3576229 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2381740542 is about 48803.0792266226. The cubic root of 2381740542 is about 1335.4618407978.

The spelling of 2381740542 in words is "two billion, three hundred eighty-one million, seven hundred forty thousand, five hundred forty-two".