40455421541 has 8 divisors (see below), whose sum is σ = 40511502624. Its totient is φ = 40399373520.

The previous prime is 40455421537. The next prime is 40455421583. The reversal of 40455421541 is 14512455404.

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 40455421541 - 2² = 40455421537 is a prime.

It is a super-2 number, since 2×40455421541² (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 (40455421141) 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, 3306926 + ... + 3319136.

It is an arithmetic number, because the mean of its divisors is an integer number (5063937828).

Almost surely, 2^40455421541 is an apocalyptic number.

It is an amenable number.

40455421541 is a deficient number, since it is larger than the sum of its proper divisors (56081083).

40455421541 is a wasteful number, since it uses less digits than its factorization.

40455421541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16531.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 40455421541 its reverse (14512455404), we get a palindrome (54967876945).

The spelling of 40455421541 in words is "forty billion, four hundred fifty-five million, four hundred twenty-one thousand, five hundred forty-one".