2540422534 has 24 divisors (see below), whose sum is σ = 4259431872. Its totient is φ = 1134675360.

The previous prime is 2540422517. The next prime is 2540422543. The reversal of 2540422534 is 4352240452.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2540422496 and 2540422505.

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 11 ways as a sum of consecutive naturals, for example, 110749 + ... + 131704.

It is an arithmetic number, because the mean of its divisors is an integer number (177476328).

Almost surely, 2^2540422534 is an apocalyptic number.

2540422534 is a deficient number, since it is larger than the sum of its proper divisors (1719009338).

2540422534 is a wasteful number, since it uses less digits than its factorization.

2540422534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242512 (or 242499 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2540422534 is about 50402.6044366757. The cubic root of 2540422534 is about 1364.4846429415.

Adding to 2540422534 its reverse (4352240452), we get a palindrome (6892662986).

The spelling of 2540422534 in words is "two billion, five hundred forty million, four hundred twenty-two thousand, five hundred thirty-four".