40206012501 has 16 divisors (see below), whose sum is σ = 54523886400. Its totient is φ = 26346194688.

The previous prime is 40206012449. The next prime is 40206012529. The reversal of 40206012501 is 10521060204.

It is not a de Polignac number, because 40206012501 - 2¹⁸ = 40205750357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206012701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2448045 + ... + 2464413.

It is an arithmetic number, because the mean of its divisors is an integer number (3407742900).

Almost surely, 2^40206012501 is an apocalyptic number.

It is an amenable number.

40206012501 is a deficient number, since it is larger than the sum of its proper divisors (14317873899).

40206012501 is a wasteful number, since it uses less digits than its factorization.

40206012501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30308.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 40206012501 its reverse (10521060204), we get a palindrome (50727072705).

The spelling of 40206012501 in words is "forty billion, two hundred six million, twelve thousand, five hundred one".