40025571011 has 4 divisors (see below), whose sum is σ = 40029271872. Its totient is φ = 40021870152.

The previous prime is 40025571007. The next prime is 40025571059. The reversal of 40025571011 is 11017552004.

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 40025571011 - 2² = 40025571007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40025571811) 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, 1834160 + ... + 1855853.

It is an arithmetic number, because the mean of its divisors is an integer number (10007317968).

Almost surely, 2^40025571011 is an apocalyptic number.

40025571011 is a deficient number, since it is larger than the sum of its proper divisors (3700861).

40025571011 is a wasteful number, since it uses less digits than its factorization.

40025571011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700860.

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 40025571011 in words is "forty billion, twenty-five million, five hundred seventy-one thousand, eleven".