40551354154 has 8 divisors (see below), whose sum is σ = 60828312420. Its totient is φ = 20275250016.

The previous prime is 40551354139. The next prime is 40551354157. The reversal of 40551354154 is 45145315504.

It can be written as a sum of positive squares in 2 ways, for example, as 35703992025 + 4847362129 = 188955^2 + 69623^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40551354157) 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, 77509 + ... + 295144.

Almost surely, 2^40551354154 is an apocalyptic number.

40551354154 is a deficient number, since it is larger than the sum of its proper divisors (20276958266).

40551354154 is a wasteful number, since it uses less digits than its factorization.

40551354154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427064.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 40551354154 its reverse (45145315504), we get a palindrome (85696669658).

The spelling of 40551354154 in words is "forty billion, five hundred fifty-one million, three hundred fifty-four thousand, one hundred fifty-four".