40020226165615 has 8 divisors (see below), whose sum is σ = 48563869954320. Its totient is φ = 31656448562112.

The previous prime is 40020226165607. The next prime is 40020226165637. The reversal of 40020226165615 is 51656162202004.

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 40020226165615 - 2³ = 40020226165607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44966545809 + ... + 44966546698.

It is an arithmetic number, because the mean of its divisors is an integer number (6070483744290).

Almost surely, 2^{40020226165615} is an apocalyptic number.

40020226165615 is a deficient number, since it is larger than the sum of its proper divisors (8543643788705).

40020226165615 is an equidigital number, since it uses as much as digits as its factorization.

40020226165615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89933092601.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 40020226165615 its reverse (51656162202004), we get a palindrome (91676388367619).

The spelling of 40020226165615 in words is "forty trillion, twenty billion, two hundred twenty-six million, one hundred sixty-five thousand, six hundred fifteen".