40878627101 has 4 divisors (see below), whose sum is σ = 44023136892. Its totient is φ = 37734117312.

The previous prime is 40878627077. The next prime is 40878627187. The reversal of 40878627101 is 10172687804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25564812100 + 15313815001 = 159890^2 + 123749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40878627101 is a prime.

It is a super-3 number, since 3×40878627101³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40878627401) 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, 1572254876 + ... + 1572254901.

It is an arithmetic number, because the mean of its divisors is an integer number (11005784223).

Almost surely, 2^40878627101 is an apocalyptic number.

It is an amenable number.

40878627101 is a deficient number, since it is larger than the sum of its proper divisors (3144509791).

40878627101 is a wasteful number, since it uses less digits than its factorization.

40878627101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144509790.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 40878627101 in words is "forty billion, eight hundred seventy-eight million, six hundred twenty-seven thousand, one hundred one".