40255356540 has 192 divisors, whose sum is σ = 129978777600. Its totient is φ = 9118635264.

The previous prime is 40255356527. The next prime is 40255356541. The reversal of 40255356540 is 4565355204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255356541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27590331 + ... + 27591789.

It is an arithmetic number, because the mean of its divisors is an integer number (676972800).

Almost surely, 2^40255356540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40255356540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64989388800).

40255356540 is an abundant number, since it is smaller than the sum of its proper divisors (89723421060).

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

40255356540 is a wasteful number, since it uses less digits than its factorization.

40255356540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 40255356540 in words is "forty billion, two hundred fifty-five million, three hundred fifty-six thousand, five hundred forty".