40726011863580 has 192 divisors, whose sum is σ = 121059137052672. Its totient is φ = 10211807738880.

The previous prime is 40726011863561. The next prime is 40726011863591. The reversal of 40726011863580 is 8536811062704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49625142 + ... + 50439138.

It is an arithmetic number, because the mean of its divisors is an integer number (630516338816).

Almost surely, 2^{40726011863580} 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 40726011863580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60529568526336).

40726011863580 is an abundant number, since it is smaller than the sum of its proper divisors (80333125189092).

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

40726011863580 is a wasteful number, since it uses less digits than its factorization.

40726011863580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814804 (or 814802 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 40726011863580 in words is "forty trillion, seven hundred twenty-six billion, eleven million, eight hundred sixty-three thousand, five hundred eighty".