2540323025451 has 24 divisors (see below), whose sum is σ = 3885304357584. Its totient is φ = 1593885327360.

The previous prime is 2540323025437. The next prime is 2540323025459. The reversal of 2540323025451 is 1545203230452.

2540323025451 is a `hidden beast` number, since 2 + 54 + 0 + 32 + 30 + 2 + 545 + 1 = 666.

It is not a de Polignac number, because 2540323025451 - 2²³ = 2540314636843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540323025459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6064360 + ... + 6469706.

It is an arithmetic number, because the mean of its divisors is an integer number (161887681566).

Almost surely, 2^{2540323025451} is an apocalyptic number.

2540323025451 is a deficient number, since it is larger than the sum of its proper divisors (1344981332133).

2540323025451 is a wasteful number, since it uses less digits than its factorization.

2540323025451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446331 (or 446328 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 2540323025451 in words is "two trillion, five hundred forty billion, three hundred twenty-three million, twenty-five thousand, four hundred fifty-one".