40154005606 has 24 divisors (see below), whose sum is σ = 71296978032. Its totient is φ = 16847833200.

The previous prime is 40154005603. The next prime is 40154005643. The reversal of 40154005606 is 60650045104.

It is a super-2 number, since 2×40154005606² (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 (40154005601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6378610 + ... + 6384901.

It is an arithmetic number, because the mean of its divisors is an integer number (2970707418).

Almost surely, 2^40154005606 is an apocalyptic number.

40154005606 is a deficient number, since it is larger than the sum of its proper divisors (31142972426).

40154005606 is a wasteful number, since it uses less digits than its factorization.

40154005606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763548 (or 12763537 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 40154005606 in words is "forty billion, one hundred fifty-four million, five thousand, six hundred six".