40101479 has 4 divisors (see below), whose sum is σ = 43747080. Its totient is φ = 36455880.

The previous prime is 40101469. The next prime is 40101491. The reversal of 40101479 is 97410104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40101479 - 2²⁰ = 39052903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40101409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822784 + ... + 1822805.

It is an arithmetic number, because the mean of its divisors is an integer number (10936770).

Almost surely, 2^40101479 is an apocalyptic number.

40101479 is a deficient number, since it is larger than the sum of its proper divisors (3645601).

40101479 is a wasteful number, since it uses less digits than its factorization.

40101479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645600.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 40101479 is about 6332.5728578517. The cubic root of 40101479 is about 342.2841561875.

The spelling of 40101479 in words is "forty million, one hundred one thousand, four hundred seventy-nine".