40551423455 has 8 divisors (see below), whose sum is σ = 51222850800. Its totient is φ = 30733710336.

The previous prime is 40551423449. The next prime is 40551423499. The reversal of 40551423455 is 55432415504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40551423455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213428450 + ... + 213428639.

It is an arithmetic number, because the mean of its divisors is an integer number (6402856350).

Almost surely, 2^40551423455 is an apocalyptic number.

40551423455 is a deficient number, since it is larger than the sum of its proper divisors (10671427345).

40551423455 is a wasteful number, since it uses less digits than its factorization.

40551423455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426857113.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 40551423455 its reverse (55432415504), we get a palindrome (95983838959).

The spelling of 40551423455 in words is "forty billion, five hundred fifty-one million, four hundred twenty-three thousand, four hundred fifty-five".