40435257254 has 8 divisors (see below), whose sum is σ = 69317583888. Its totient is φ = 17329395960.

The previous prime is 40435257241. The next prime is 40435257257. The reversal of 40435257254 is 45275253404.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40435257257) 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, 1444116317 + ... + 1444116344.

It is an arithmetic number, because the mean of its divisors is an integer number (8664697986).

Almost surely, 2^40435257254 is an apocalyptic number.

40435257254 is a deficient number, since it is larger than the sum of its proper divisors (28882326634).

40435257254 is a wasteful number, since it uses less digits than its factorization.

40435257254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888232670.

The product of its (nonzero) digits is 672000, while the sum is 41.

The spelling of 40435257254 in words is "forty billion, four hundred thirty-five million, two hundred fifty-seven thousand, two hundred fifty-four".