40654277136 has 140 divisors (see below), whose sum is σ = 128834008560. Its totient is φ = 12319439040.

The previous prime is 40654277129. The next prime is 40654277161. The reversal of 40654277136 is 63177245604.

40654277136 is a `hidden beast` number, since 4 + 0 + 6 + 542 + 7 + 71 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40654277091 and 40654277100.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 30126 + ... + 286733.

Almost surely, 2^40654277136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40654277136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64417004280).

40654277136 is an abundant number, since it is smaller than the sum of its proper divisors (88179731424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40654277136 is a wasteful number, since it uses less digits than its factorization.

40654277136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316896 (or 316875 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 40654277136 in words is "forty billion, six hundred fifty-four million, two hundred seventy-seven thousand, one hundred thirty-six".