40155609141 has 20 divisors (see below), whose sum is σ = 61448606604. Its totient is φ = 26117467200.

The previous prime is 40155609079. The next prime is 40155609163. The reversal of 40155609141 is 14190655104.

40155609141 is a `hidden beast` number, since 4 + 0 + 1 + 5 + 5 + 609 + 1 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13940761041 + 26214848100 = 118071^2 + 161910^2 .

It is not a de Polignac number, because 40155609141 - 2²² = 40151414837 is a prime.

It is a super-2 number, since 2×40155609141² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40155609096 and 40155609105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155609181) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6042390 + ... + 6049031.

Almost surely, 2^40155609141 is an apocalyptic number.

40155609141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40155609141 is a deficient number, since it is larger than the sum of its proper divisors (21292997463).

40155609141 is a wasteful number, since it uses less digits than its factorization.

40155609141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12091474 (or 12091465 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 40155609141 in words is "forty billion, one hundred fifty-five million, six hundred nine thousand, one hundred forty-one".