40075771231 has 8 divisors (see below), whose sum is σ = 40835553840. Its totient is φ = 39316123392.

The previous prime is 40075771193. The next prime is 40075771237. The reversal of 40075771231 is 13217757004.

It is a happy number.

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 40075771231 - 2⁷ = 40075771103 is a prime.

It is a super-2 number, since 2×40075771231² (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 (40075771237) 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, 728335 + ... + 781423.

It is an arithmetic number, because the mean of its divisors is an integer number (5104444230).

Almost surely, 2^40075771231 is an apocalyptic number.

40075771231 is a deficient number, since it is larger than the sum of its proper divisors (759782609).

40075771231 is a wasteful number, since it uses less digits than its factorization.

40075771231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67385.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 40075771231 in words is "forty billion, seventy-five million, seven hundred seventy-one thousand, two hundred thirty-one".