40265262021 has 8 divisors (see below), whose sum is σ = 53959539744. Its totient is φ = 26707246160.

The previous prime is 40265262013. The next prime is 40265262031. The reversal of 40265262021 is 12026256204.

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 40265262021 - 2³ = 40265262013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40265262021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40265262031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34064775 + ... + 34065956.

It is an arithmetic number, because the mean of its divisors is an integer number (6744942468).

Almost surely, 2^40265262021 is an apocalyptic number.

It is an amenable number.

40265262021 is a deficient number, since it is larger than the sum of its proper divisors (13694277723).

40265262021 is a wasteful number, since it uses less digits than its factorization.

40265262021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68130931.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 40265262021 in words is "forty billion, two hundred sixty-five million, two hundred sixty-two thousand, twenty-one".