40100020169 has 8 divisors (see below), whose sum is σ = 43754966208. Its totient is φ = 36446655760.

The previous prime is 40100020153. The next prime is 40100020171. The reversal of 40100020169 is 96102000104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40100020169 - 2⁴ = 40100020153 is a prime.

It is a super-2 number, since 2×40100020169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40100020139) 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, 342077 + ... + 444090.

It is an arithmetic number, because the mean of its divisors is an integer number (5469370776).

Almost surely, 2^40100020169 is an apocalyptic number.

It is an amenable number.

40100020169 is a deficient number, since it is larger than the sum of its proper divisors (3654946039).

40100020169 is a wasteful number, since it uses less digits than its factorization.

40100020169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790815.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 40100020169 in words is "forty billion, one hundred million, twenty thousand, one hundred sixty-nine".