2490740398 has 8 divisors (see below), whose sum is σ = 3736729080. Its totient is φ = 1245164040.

The previous prime is 2490740341. The next prime is 2490740407. The reversal of 2490740398 is 8930470942.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87508 + ... + 112423.

It is an arithmetic number, because the mean of its divisors is an integer number (467091135).

Almost surely, 2^2490740398 is an apocalyptic number.

2490740398 is a deficient number, since it is larger than the sum of its proper divisors (1245988682).

2490740398 is a wasteful number, since it uses less digits than its factorization.

2490740398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206162.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2490740398 is about 49907.3180806182. The cubic root of 2490740398 is about 1355.5311068236.

The spelling of 2490740398 in words is "two billion, four hundred ninety million, seven hundred forty thousand, three hundred ninety-eight".