40105542150 has 120 divisors (see below), whose sum is σ = 111599151840. Its totient is φ = 10678962240.

The previous prime is 40105542143. The next prime is 40105542229. The reversal of 40105542150 is 5124550104.

40105542150 is a `hidden beast` number, since 4 + 0 + 105 + 542 + 15 + 0 = 666.

It is a super-2 number, since 2×40105542150² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2864467 + ... + 2878433.

It is an arithmetic number, because the mean of its divisors is an integer number (929992932).

Almost surely, 2^40105542150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40105542150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55799575920).

40105542150 is an abundant number, since it is smaller than the sum of its proper divisors (71493609690).

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

40105542150 is a wasteful number, since it uses less digits than its factorization.

40105542150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14700 (or 14686 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 40105542150 in words is "forty billion, one hundred five million, five hundred forty-two thousand, one hundred fifty".