40251101 has 24 divisors (see below), whose sum is σ = 48079200. Its totient is φ = 33324480.

The previous prime is 40251091. The next prime is 40251103. The reversal of 40251101 is 10115204.

It is not a de Polignac number, because 40251101 - 2¹⁴ = 40234717 is a prime.

It is a super-2 number, since 2×40251101² = 3240302263424402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251103) 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, 175655 + ... + 175883.

It is an arithmetic number, because the mean of its divisors is an integer number (2003300).

Almost surely, 2^40251101 is an apocalyptic number.

It is an amenable number.

40251101 is a deficient number, since it is larger than the sum of its proper divisors (7828099).

40251101 is a wasteful number, since it uses less digits than its factorization.

40251101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 40251101 is about 6344.3755405871. The cubic root of 40251101 is about 342.7093248625.

Adding to 40251101 its reverse (10115204), we get a palindrome (50366305).

The spelling of 40251101 in words is "forty million, two hundred fifty-one thousand, one hundred one".