40092740100921 has 16 divisors (see below), whose sum is σ = 54465826279104. Its totient is φ = 26224077681984.

The previous prime is 40092740100887. The next prime is 40092740100943. The reversal of 40092740100921 is 12900104729004.

It is not a de Polignac number, because 40092740100921 - 2¹⁵ = 40092740068153 is a prime.

It is a super-3 number, since 3×40092740100921³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40092740100921.

It is not an unprimeable number, because it can be changed into a prime (40092740107921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76610475 + ... + 77132031.

It is an arithmetic number, because the mean of its divisors is an integer number (3404114142444).

Almost surely, 2^{40092740100921} is an apocalyptic number.

It is an amenable number.

40092740100921 is a deficient number, since it is larger than the sum of its proper divisors (14373086178183).

40092740100921 is a wasteful number, since it uses less digits than its factorization.

40092740100921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005080.

The product of its (nonzero) digits is 36288, while the sum is 39.

Adding to 40092740100921 its reverse (12900104729004), we get a palindrome (52992844829925).

The spelling of 40092740100921 in words is "forty trillion, ninety-two billion, seven hundred forty million, one hundred thousand, nine hundred twenty-one".