40211355540 has 96 divisors (see below), whose sum is σ = 113358422016. Its totient is φ = 10650245760.

The previous prime is 40211355497. The next prime is 40211355553. The reversal of 40211355540 is 4555311204.

It is a super-2 number, since 2×40211355540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40211355498 and 40211355507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6191695 + ... + 6198185.

It is an arithmetic number, because the mean of its divisors is an integer number (1180816896).

Almost surely, 2^40211355540 is an apocalyptic number.

It is an amenable number.

40211355540 is an abundant number, since it is smaller than the sum of its proper divisors (73147066476).

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

40211355540 is a wasteful number, since it uses less digits than its factorization.

40211355540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 40211355540 its reverse (4555311204), we get a palindrome (44766666744).

The spelling of 40211355540 in words is "forty billion, two hundred eleven million, three hundred fifty-five thousand, five hundred forty".