40026734572540 has 48 divisors (see below), whose sum is σ = 88504930523520. Its totient is φ = 15163777661760.

The previous prime is 40026734572529. The next prime is 40026734572549. The reversal of 40026734572540 is 4527543762004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026734572549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13391482 + ... + 16105441.

It is an arithmetic number, because the mean of its divisors is an integer number (1843852719240).

Almost surely, 2^{40026734572540} is an apocalyptic number.

It is an amenable number.

40026734572540 is an abundant number, since it is smaller than the sum of its proper divisors (48478195950980).

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

40026734572540 is a wasteful number, since it uses less digits than its factorization.

40026734572540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29500522 (or 29500520 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 40026734572540 in words is "forty trillion, twenty-six billion, seven hundred thirty-four million, five hundred seventy-two thousand, five hundred forty".