2540434504 has 32 divisors (see below), whose sum is σ = 4924971000. Its totient is φ = 1227571200.

The previous prime is 2540434499. The next prime is 2540434537. The reversal of 2540434504 is 4054340452.

It can be written as a sum of positive squares in 4 ways, for example, as 2540361604 + 72900 = 50402^2 + 270^2 .

It is a super-2 number, since 2×2540434504² = 12907614938227452032, which contains 22 as substring.

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, 15304 + ... + 72904.

Almost surely, 2^2540434504 is an apocalyptic number.

It is an amenable number.

2540434504 is a deficient number, since it is larger than the sum of its proper divisors (2384536496).

2540434504 is a wasteful number, since it uses less digits than its factorization.

2540434504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57793 (or 57789 counting only the distinct ones).

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

The square root of 2540434504 is about 50402.7231803997. The cubic root of 2540434504 is about 1364.4867860043.

Adding to 2540434504 its reverse (4054340452), we get a palindrome (6594774956).

The spelling of 2540434504 in words is "two billion, five hundred forty million, four hundred thirty-four thousand, five hundred four".