40992589421 has 4 divisors (see below), whose sum is σ = 46848673632. Its totient is φ = 35136505212.

The previous prime is 40992589387. The next prime is 40992589459. The reversal of 40992589421 is 12498529904.

40992589421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40992589421 is a prime.

It is a super-2 number, since 2×40992589421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40992589721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928042095 + ... + 2928042108.

It is an arithmetic number, because the mean of its divisors is an integer number (11712168408).

Almost surely, 2^40992589421 is an apocalyptic number.

It is an amenable number.

40992589421 is a deficient number, since it is larger than the sum of its proper divisors (5856084211).

40992589421 is an equidigital number, since it uses as much as digits as its factorization.

40992589421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856084210.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 40992589421 in words is "forty billion, nine hundred ninety-two million, five hundred eighty-nine thousand, four hundred twenty-one".