40192101 has 24 divisors (see below), whose sum is σ = 60127704. Its totient is φ = 25850880.

The previous prime is 40192099. The next prime is 40192111. The reversal of 40192101 is 10129104.

It can be written as a sum of positive squares in 4 ways, for example, as 8820900 + 31371201 = 2970^2 + 5601^2 .

It is not a de Polignac number, because 40192101 - 2¹ = 40192099 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40192111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45181 + ... + 46061.

It is an arithmetic number, because the mean of its divisors is an integer number (2505321).

Almost surely, 2^40192101 is an apocalyptic number.

It is an amenable number.

40192101 is a deficient number, since it is larger than the sum of its proper divisors (19935603).

40192101 is a wasteful number, since it uses less digits than its factorization.

40192101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 40192101 is about 6339.7240476223. The cubic root of 40192101 is about 342.5417953861.

The spelling of 40192101 in words is "forty million, one hundred ninety-two thousand, one hundred one".