40301537849881 has 16 divisors (see below), whose sum is σ = 50246219151360. Its totient is φ = 31403704484880.

The previous prime is 40301537849849. The next prime is 40301537849933. The reversal of 40301537849881 is 18894873510304.

It is not a de Polignac number, because 40301537849881 - 2⁵ = 40301537849849 is a prime.

It is a super-2 number, since 2×40301537849881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40301537849281) 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, 40034640 + ... + 41028958.

It is an arithmetic number, because the mean of its divisors is an integer number (3140388696960).

Almost surely, 2^{40301537849881} is an apocalyptic number.

It is an amenable number.

40301537849881 is a deficient number, since it is larger than the sum of its proper divisors (9944681301479).

40301537849881 is a wasteful number, since it uses less digits than its factorization.

40301537849881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520724.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 40301537849881 in words is "forty trillion, three hundred one billion, five hundred thirty-seven million, eight hundred forty-nine thousand, eight hundred eighty-one".