40140015541 has 8 divisors (see below), whose sum is σ = 43236370944. Its totient is φ = 37156254960.

The previous prime is 40140015533. The next prime is 40140015547. The reversal of 40140015541 is 14551004104.

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 40140015541 - 2³ = 40140015533 is a prime.

It is a super-2 number, since 2×40140015541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140015547) 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, 28147966 + ... + 28149391.

It is an arithmetic number, because the mean of its divisors is an integer number (5404546368).

Almost surely, 2^40140015541 is an apocalyptic number.

It is an amenable number.

40140015541 is a deficient number, since it is larger than the sum of its proper divisors (3096355403).

40140015541 is a wasteful number, since it uses less digits than its factorization.

40140015541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56297411.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 40140015541 its reverse (14551004104), we get a palindrome (54691019645).

The spelling of 40140015541 in words is "forty billion, one hundred forty million, fifteen thousand, five hundred forty-one".