40180726941 has 32 divisors (see below), whose sum is σ = 59057129088. Its totient is φ = 24193935360.

The previous prime is 40180726939. The next prime is 40180726951. The reversal of 40180726941 is 14962708104.

It is not a de Polignac number, because 40180726941 - 2¹ = 40180726939 is a prime.

It is a super-2 number, since 2×40180726941² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40180726893 and 40180726902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40180726951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8095 + ... + 283596.

It is an arithmetic number, because the mean of its divisors is an integer number (1845535284).

Almost surely, 2^40180726941 is an apocalyptic number.

It is an amenable number.

40180726941 is a deficient number, since it is larger than the sum of its proper divisors (18876402147).

40180726941 is a wasteful number, since it uses less digits than its factorization.

40180726941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291821.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 40180726941 in words is "forty billion, one hundred eighty million, seven hundred twenty-six thousand, nine hundred forty-one".