2391458742 has 48 divisors (see below), whose sum is σ = 5504505552. Its totient is φ = 777703680.

The previous prime is 2391458687. The next prime is 2391458749. The reversal of 2391458742 is 2478541932.

2391458742 is a `hidden beast` number, since 23 + 9 + 1 + 4 + 587 + 42 = 666.

2391458742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391458749) 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, 40083 + ... + 79934.

It is an arithmetic number, because the mean of its divisors is an integer number (114677199).

Almost surely, 2^2391458742 is an apocalyptic number.

2391458742 is an abundant number, since it is smaller than the sum of its proper divisors (3113046810).

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

2391458742 is a wasteful number, since it uses less digits than its factorization.

2391458742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120075 (or 120063 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2391458742 is about 48902.5433080939. The cubic root of 2391458742 is about 1337.2757346289.

The spelling of 2391458742 in words is "two billion, three hundred ninety-one million, four hundred fifty-eight thousand, seven hundred forty-two".