40851542751 has 4 divisors (see below), whose sum is σ = 54468723672. Its totient is φ = 27234361832.

The previous prime is 40851542737. The next prime is 40851542761. The reversal of 40851542751 is 15724515804.

It is a happy number.

40851542751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40851542751 - 2⁶ = 40851542687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851542761) 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, 6808590456 + ... + 6808590461.

It is an arithmetic number, because the mean of its divisors is an integer number (13617180918).

Almost surely, 2^40851542751 is an apocalyptic number.

40851542751 is a deficient number, since it is larger than the sum of its proper divisors (13617180921).

40851542751 is a wasteful number, since it uses less digits than its factorization.

40851542751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617180920.

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 40851542751 in words is "forty billion, eight hundred fifty-one million, five hundred forty-two thousand, seven hundred fifty-one".