40771045951 has 4 divisors (see below), whose sum is σ = 40845582232. Its totient is φ = 40696509672.

The previous prime is 40771045927. The next prime is 40771045963. The reversal of 40771045951 is 15954017704.

It is a happy number.

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 40771045951 - 2²¹ = 40768948799 is a prime.

It is a super-3 number, since 3×40771045951³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40771045898 and 40771045907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40771040951) 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, 37267320 + ... + 37268413.

It is an arithmetic number, because the mean of its divisors is an integer number (10211395558).

Almost surely, 2^40771045951 is an apocalyptic number.

40771045951 is a deficient number, since it is larger than the sum of its proper divisors (74536281).

40771045951 is an equidigital number, since it uses as much as digits as its factorization.

40771045951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74536280.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 40771045951 in words is "forty billion, seven hundred seventy-one million, forty-five thousand, nine hundred fifty-one".