40467417661 has 16 divisors (see below), whose sum is σ = 47004287040. Its totient is φ = 34431066880.

The previous prime is 40467417649. The next prime is 40467417677. The reversal of 40467417661 is 16671476404.

40467417661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40467417661 - 2²³ = 40459029053 is a prime.

It is a super-2 number, since 2×40467417661² (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 (40467417061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571006 + ... + 637951.

It is an arithmetic number, because the mean of its divisors is an integer number (2937767940).

Almost surely, 2^40467417661 is an apocalyptic number.

It is an amenable number.

40467417661 is a deficient number, since it is larger than the sum of its proper divisors (6536869379).

40467417661 is a wasteful number, since it uses less digits than its factorization.

40467417661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209164.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 40467417661 in words is "forty billion, four hundred sixty-seven million, four hundred seventeen thousand, six hundred sixty-one".