40967745669 has 24 divisors (see below), whose sum is σ = 60990925632. Its totient is φ = 26482178880.

The previous prime is 40967745631. The next prime is 40967745671. The reversal of 40967745669 is 96654776904.

40967745669 is a `hidden beast` number, since 4 + 0 + 9 + 67 + 7 + 4 + 566 + 9 = 666.

It is not a de Polignac number, because 40967745669 - 2⁷ = 40967745541 is a prime.

It is a super-2 number, since 2×40967745669² (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 (40967745629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280417 + ... + 400710.

It is an arithmetic number, because the mean of its divisors is an integer number (2541288568).

Almost surely, 2^40967745669 is an apocalyptic number.

It is an amenable number.

40967745669 is a deficient number, since it is larger than the sum of its proper divisors (20023179963).

40967745669 is a wasteful number, since it uses less digits than its factorization.

40967745669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681337 (or 681334 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 40967745669 in words is "forty billion, nine hundred sixty-seven million, seven hundred forty-five thousand, six hundred sixty-nine".