40056010005551 has 8 divisors (see below), whose sum is σ = 40911880843200. Its totient is φ = 39200289805728.

The previous prime is 40056010005547. The next prime is 40056010005559. The reversal of 40056010005551 is 15550001065004.

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

It is a cyclic number.

It is not a de Polignac number, because 40056010005551 - 2² = 40056010005547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40056010005559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37121876 + ... + 38185673.

It is an arithmetic number, because the mean of its divisors is an integer number (5113985105400).

Almost surely, 2^{40056010005551} is an apocalyptic number.

40056010005551 is a deficient number, since it is larger than the sum of its proper divisors (855870837649).

40056010005551 is a wasteful number, since it uses less digits than its factorization.

40056010005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75318913.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 40056010005551 in words is "forty trillion, fifty-six billion, ten million, five thousand, five hundred fifty-one".