40602021355 has 8 divisors (see below), whose sum is σ = 55682772192. Its totient is φ = 27841386048.

The previous prime is 40602021337. The next prime is 40602021377. The reversal of 40602021355 is 55312020604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40602021355 - 2²¹ = 40599924203 is a prime.

It is a super-2 number, since 2×40602021355² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580028842 + ... + 580028911.

It is an arithmetic number, because the mean of its divisors is an integer number (6960346524).

Almost surely, 2^40602021355 is an apocalyptic number.

40602021355 is a deficient number, since it is larger than the sum of its proper divisors (15080750837).

40602021355 is a wasteful number, since it uses less digits than its factorization.

40602021355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160057765.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 40602021355 its reverse (55312020604), we get a palindrome (95914041959).

The spelling of 40602021355 in words is "forty billion, six hundred two million, twenty-one thousand, three hundred fifty-five".