40026740741550 has 144 divisors (see below), whose sum is σ = 110045653420560. Its totient is φ = 10424977758720.

The previous prime is 40026740741549. The next prime is 40026740741557. The reversal of 40026740741550 is 5514704762004.

40026740741550 is a `hidden beast` number, since 4 + 0 + 0 + 26 + 7 + 4 + 0 + 74 + 1 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 40026740741496 and 40026740741505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026740741557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 417467016 + ... + 417562884.

Almost surely, 2^{40026740741550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40026740741550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55022826710280).

40026740741550 is an abundant number, since it is smaller than the sum of its proper divisors (70018912679010).

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

40026740741550 is a wasteful number, since it uses less digits than its factorization.

40026740741550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117507 (or 117499 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 40026740741550 in words is "forty trillion, twenty-six billion, seven hundred forty million, seven hundred forty-one thousand, five hundred fifty".