40105542151 has 4 divisors (see below), whose sum is σ = 40182226312. Its totient is φ = 40028857992.

The previous prime is 40105542143. The next prime is 40105542229. The reversal of 40105542151 is 15124550104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40105542151 - 2³ = 40105542143 is a prime.

It is a super-2 number, since 2×40105542151² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40105548151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38341296 + ... + 38342341.

It is an arithmetic number, because the mean of its divisors is an integer number (10045556578).

Almost surely, 2^40105542151 is an apocalyptic number.

40105542151 is a deficient number, since it is larger than the sum of its proper divisors (76684161).

40105542151 is an equidigital number, since it uses as much as digits as its factorization.

40105542151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76684160.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 40105542151 in words is "forty billion, one hundred five million, five hundred forty-two thousand, one hundred fifty-one".