40155222751 has 8 divisors (see below), whose sum is σ = 46312708640. Its totient is φ = 34102993248.

The previous prime is 40155222743. The next prime is 40155222791. The reversal of 40155222751 is 15722255104.

40155222751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40155222751 - 2³ = 40155222743 is a prime.

It is a super-2 number, since 2×40155222751² (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 (40155222791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26313276 + ... + 26314801.

It is an arithmetic number, because the mean of its divisors is an integer number (5789088580).

Almost surely, 2^40155222751 is an apocalyptic number.

40155222751 is a deficient number, since it is larger than the sum of its proper divisors (6157485889).

40155222751 is a wasteful number, since it uses less digits than its factorization.

40155222751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52628193.

The product of its (nonzero) digits is 28000, while the sum is 34.

Adding to 40155222751 its reverse (15722255104), we get a palindrome (55877477855).

The spelling of 40155222751 in words is "forty billion, one hundred fifty-five million, two hundred twenty-two thousand, seven hundred fifty-one".