40831955511 has 8 divisors (see below), whose sum is σ = 54444157824. Its totient is φ = 27220528440.

The previous prime is 40831955509. The next prime is 40831955531. The reversal of 40831955511 is 11555913804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40831955511 - 2¹ = 40831955509 is a prime.

It is a super-2 number, since 2×40831955511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40831955531) 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, 57145 + ... + 291426.

It is an arithmetic number, because the mean of its divisors is an integer number (6805519728).

Almost surely, 2^40831955511 is an apocalyptic number.

40831955511 is a deficient number, since it is larger than the sum of its proper divisors (13612202313).

40831955511 is a wasteful number, since it uses less digits than its factorization.

40831955511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387621.

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 40831955511 in words is "forty billion, eight hundred thirty-one million, nine hundred fifty-five thousand, five hundred eleven".