40667266461 has 4 divisors (see below), whose sum is σ = 54223021952. Its totient is φ = 27111510972.

The previous prime is 40667266459. The next prime is 40667266463. The reversal of 40667266461 is 16466276604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40667266459) and next prime (40667266463).

It is not a de Polignac number, because 40667266461 - 2¹ = 40667266459 is a prime.

It is a super-2 number, since 2×40667266461² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40667266461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40667266463) 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, 6777877741 + ... + 6777877746.

It is an arithmetic number, because the mean of its divisors is an integer number (13555755488).

Almost surely, 2^40667266461 is an apocalyptic number.

It is an amenable number.

40667266461 is a deficient number, since it is larger than the sum of its proper divisors (13555755491).

40667266461 is a wasteful number, since it uses less digits than its factorization.

40667266461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555755490.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 40667266461 in words is "forty billion, six hundred sixty-seven million, two hundred sixty-six thousand, four hundred sixty-one".