40014000021 has 8 divisors (see below), whose sum is σ = 53361483840. Its totient is φ = 26671258112.

The previous prime is 40014000007. The next prime is 40014000031. The reversal of 40014000021 is 12000041004.

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 40014000021 - 2⁵ = 40013999989 is a prime.

It is a super-2 number, since 2×40014000021² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40013999970 and 40014000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014000001) 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, 1165740 + ... + 1199573.

It is an arithmetic number, because the mean of its divisors is an integer number (6670185480).

Almost surely, 2^40014000021 is an apocalyptic number.

It is an amenable number.

40014000021 is a deficient number, since it is larger than the sum of its proper divisors (13347483819).

40014000021 is a wasteful number, since it uses less digits than its factorization.

40014000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370955.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 40014000021 its reverse (12000041004), we get a palindrome (52014041025).

The spelling of 40014000021 in words is "forty billion, fourteen million, twenty-one", and thus it is an aban number.