40164379269 has 16 divisors (see below), whose sum is σ = 62240202240. Its totient is φ = 22562071920.

The previous prime is 40164379261. The next prime is 40164379271. The reversal of 40164379269 is 96297346104.

It is a happy number.

It is not a de Polignac number, because 40164379269 - 2³ = 40164379261 is a prime.

It is a super-2 number, since 2×40164379269² (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 (40164379261) 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, 16207147 + ... + 16209624.

It is an arithmetic number, because the mean of its divisors is an integer number (3890012640).

Almost surely, 2^40164379269 is an apocalyptic number.

It is an amenable number.

40164379269 is a deficient number, since it is larger than the sum of its proper divisors (22075822971).

40164379269 is a wasteful number, since it uses less digits than its factorization.

40164379269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32416840.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 40164379269 in words is "forty billion, one hundred sixty-four million, three hundred seventy-nine thousand, two hundred sixty-nine".