40132012421 has 8 divisors (see below), whose sum is σ = 42694110144. Its totient is φ = 37592291520.

The previous prime is 40132012391. The next prime is 40132012447. The reversal of 40132012421 is 12421023104.

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 40132012421 - 2²² = 40127818117 is a prime.

It is a super-2 number, since 2×40132012421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40132012393 and 40132012402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132015421) 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, 5590505 + ... + 5597678.

It is an arithmetic number, because the mean of its divisors is an integer number (5336763768).

Almost surely, 2^40132012421 is an apocalyptic number.

It is an amenable number.

40132012421 is a deficient number, since it is larger than the sum of its proper divisors (2562097723).

40132012421 is a wasteful number, since it uses less digits than its factorization.

40132012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188411.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40132012421 its reverse (12421023104), we get a palindrome (52553035525).

The spelling of 40132012421 in words is "forty billion, one hundred thirty-two million, twelve thousand, four hundred twenty-one".