2540462378 has 8 divisors (see below), whose sum is σ = 3976375968. Its totient is φ = 1215003724.

The previous prime is 2540462359. The next prime is 2540462381. The reversal of 2540462378 is 8732640452.

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

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, 27613676 + ... + 27613767.

It is an arithmetic number, because the mean of its divisors is an integer number (497046996).

Almost surely, 2^2540462378 is an apocalyptic number.

2540462378 is a deficient number, since it is larger than the sum of its proper divisors (1435913590).

2540462378 is a wasteful number, since it uses less digits than its factorization.

2540462378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55227468.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 2540462378 is about 50402.9996924786. Note that the first 3 decimals coincide. The cubic root of 2540462378 is about 1364.4917764322.

The spelling of 2540462378 in words is "two billion, five hundred forty million, four hundred sixty-two thousand, three hundred seventy-eight".