40153480021 has 16 divisors (see below), whose sum is σ = 43074028800. Its totient is φ = 37295451648.

The previous prime is 40153480013. The next prime is 40153480049. The reversal of 40153480021 is 12008435104.

It is a cyclic number.

It is not a de Polignac number, because 40153480021 - 2³ = 40153480013 is a prime.

It is a super-2 number, since 2×40153480021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40153480051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3457801 + ... + 3469393.

It is an arithmetic number, because the mean of its divisors is an integer number (2692126800).

Almost surely, 2^40153480021 is an apocalyptic number.

It is an amenable number.

40153480021 is a deficient number, since it is larger than the sum of its proper divisors (2920548779).

40153480021 is a wasteful number, since it uses less digits than its factorization.

40153480021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14268.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 40153480021 in words is "forty billion, one hundred fifty-three million, four hundred eighty thousand, twenty-one".