40157234107 has 4 divisors (see below), whose sum is σ = 40225645656. Its totient is φ = 40088822560.

The previous prime is 40157234099. The next prime is 40157234153. The reversal of 40157234107 is 70143275104.

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 40157234107 - 2³ = 40157234099 is a prime.

It is a super-2 number, since 2×40157234107² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40157234197) 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, 34204894 + ... + 34206067.

It is an arithmetic number, because the mean of its divisors is an integer number (10056411414).

Almost surely, 2^40157234107 is an apocalyptic number.

40157234107 is a deficient number, since it is larger than the sum of its proper divisors (68411549).

40157234107 is an equidigital number, since it uses as much as digits as its factorization.

40157234107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68411548.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 40157234107 in words is "forty billion, one hundred fifty-seven million, two hundred thirty-four thousand, one hundred seven".