40023235454 has 8 divisors (see below), whose sum is σ = 61019031288. Its totient is φ = 19683558360.

The previous prime is 40023235429. The next prime is 40023235489. The reversal of 40023235454 is 45453232004.

40023235454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×40023235454² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40023235454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164029532 + ... + 164029775.

It is an arithmetic number, because the mean of its divisors is an integer number (7627378911).

Almost surely, 2^40023235454 is an apocalyptic number.

40023235454 is a deficient number, since it is larger than the sum of its proper divisors (20995795834).

40023235454 is a wasteful number, since it uses less digits than its factorization.

40023235454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328059370.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 40023235454 its reverse (45453232004), we get a palindrome (85476467458).

The spelling of 40023235454 in words is "forty billion, twenty-three million, two hundred thirty-five thousand, four hundred fifty-four".