40347786045 has 48 divisors (see below), whose sum is σ = 75511433088. Its totient is φ = 18342737280.

The previous prime is 40347786001. The next prime is 40347786049. The reversal of 40347786045 is 54068774304.

It is a happy number.

It is not a de Polignac number, because 40347786045 - 2⁷ = 40347785917 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40347785985 and 40347786003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347786049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18609 + ... + 284678.

It is an arithmetic number, because the mean of its divisors is an integer number (1573154856).

Almost surely, 2^40347786045 is an apocalyptic number.

It is an amenable number.

40347786045 is a deficient number, since it is larger than the sum of its proper divisors (35163647043).

40347786045 is a wasteful number, since it uses less digits than its factorization.

40347786045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303490 (or 303483 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 40347786045 in words is "forty billion, three hundred forty-seven million, seven hundred eighty-six thousand, forty-five".