40054505611651 has 4 divisors (see below), whose sum is σ = 40056946338904. Its totient is φ = 40052064884400.

The previous prime is 40054505611649. The next prime is 40054505611661. The reversal of 40054505611651 is 15611650545004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40054505611651 - 2¹ = 40054505611649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40054505611598 and 40054505611607.

It is not an unprimeable number, because it can be changed into a prime (40054505611661) 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, 1220339010 + ... + 1220371831.

It is an arithmetic number, because the mean of its divisors is an integer number (10014236584726).

Almost surely, 2^{40054505611651} is an apocalyptic number.

40054505611651 is a deficient number, since it is larger than the sum of its proper divisors (2440727253).

40054505611651 is a wasteful number, since it uses less digits than its factorization.

40054505611651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440727252.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 40054505611651 in words is "forty trillion, fifty-four billion, five hundred five million, six hundred eleven thousand, six hundred fifty-one".