40161130212654 has 288 divisors, whose sum is σ = 97289665304832. Its totient is φ = 11874084710400.

The previous prime is 40161130212647. The next prime is 40161130212659. The reversal of 40161130212654 is 45621203116104.

40161130212654 is a `hidden beast` number, since 4 + 0 + 1 + 611 + 30 + 2 + 1 + 2 + 6 + 5 + 4 = 666.

It is a super-2 number, since 2×40161130212654² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161130212659) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 79843200967 + ... + 79843201469.

It is an arithmetic number, because the mean of its divisors is an integer number (337811337864).

Almost surely, 2^{40161130212654} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40161130212654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48644832652416).

40161130212654 is an abundant number, since it is smaller than the sum of its proper divisors (57128535092178).

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

40161130212654 is a wasteful number, since it uses less digits than its factorization.

40161130212654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 40161130212654 its reverse (45621203116104), we get a palindrome (85782333328758).

The spelling of 40161130212654 in words is "forty trillion, one hundred sixty-one billion, one hundred thirty million, two hundred twelve thousand, six hundred fifty-four".