2540192734 has 16 divisors (see below), whose sum is σ = 4056723216. Its totient is φ = 1188777600.

The previous prime is 2540192713. The next prime is 2540192747. The reversal of 2540192734 is 4372910452.

It is a junction number, because it is equal to n+sod(n) for n = 2540192693 and 2540192702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200232 + ... + 212539.

It is an arithmetic number, because the mean of its divisors is an integer number (253545201).

Almost surely, 2^2540192734 is an apocalyptic number.

2540192734 is a deficient number, since it is larger than the sum of its proper divisors (1516530482).

2540192734 is a wasteful number, since it uses less digits than its factorization.

2540192734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412971.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2540192734 is about 50400.3247410173. The cubic root of 2540192734 is about 1364.4434991263.

The spelling of 2540192734 in words is "two billion, five hundred forty million, one hundred ninety-two thousand, seven hundred thirty-four".