40305020881 has 8 divisors (see below), whose sum is σ = 41539060640. Its totient is φ = 39084468192.

The previous prime is 40305020851. The next prime is 40305020887. The reversal of 40305020881 is 18802050304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40305020881 - 2⁷ = 40305020753 is a prime.

It is a super-2 number, since 2×40305020881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40305020887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365700 + ... + 3377653.

It is an arithmetic number, because the mean of its divisors is an integer number (5192382580).

Almost surely, 2^40305020881 is an apocalyptic number.

It is an amenable number.

40305020881 is a deficient number, since it is larger than the sum of its proper divisors (1234039759).

40305020881 is a wasteful number, since it uses less digits than its factorization.

40305020881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743535.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 40305020881 in words is "forty billion, three hundred five million, twenty thousand, eight hundred eighty-one".