40350261155 has 16 divisors (see below), whose sum is σ = 48632673024. Its totient is φ = 32138880480.

The previous prime is 40350261113. The next prime is 40350261157. The reversal of 40350261155 is 55116205304.

It is a de Polignac number, because none of the positive numbers 2^k-40350261155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40350261157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358372 + ... + 1387758.

It is an arithmetic number, because the mean of its divisors is an integer number (3039542064).

Almost surely, 2^40350261155 is an apocalyptic number.

40350261155 is a deficient number, since it is larger than the sum of its proper divisors (8282411869).

40350261155 is a wasteful number, since it uses less digits than its factorization.

40350261155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30586.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 40350261155 its reverse (55116205304), we get a palindrome (95466466459).

The spelling of 40350261155 in words is "forty billion, three hundred fifty million, two hundred sixty-one thousand, one hundred fifty-five".