40540512443526 has 12 divisors (see below), whose sum is σ = 87837776961012. Its totient is φ = 13513504147836.

The previous prime is 40540512443491. The next prime is 40540512443539. The reversal of 40540512443526 is 62534421504504.

It is a happy number.

40540512443526 is a `hidden beast` number, since 4 + 0 + 5 + 4 + 0 + 51 + 244 + 352 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1126125345636 + ... + 1126125345671.

It is an arithmetic number, because the mean of its divisors is an integer number (7319814746751).

Almost surely, 2^{40540512443526} is an apocalyptic number.

40540512443526 is an abundant number, since it is smaller than the sum of its proper divisors (47297264517486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40540512443526 is a wasteful number, since it uses less digits than its factorization.

40540512443526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252250691315 (or 2252250691312 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 40540512443526 in words is "forty trillion, five hundred forty billion, five hundred twelve million, four hundred forty-three thousand, five hundred twenty-six".