40147460818 has 16 divisors (see below), whose sum is σ = 61516122624. Its totient is φ = 19642276000.

The previous prime is 40147460813. The next prime is 40147460849. The reversal of 40147460818 is 81806474104.

It is a happy number.

40147460818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40147460818³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40147460813) 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, 401646 + ... + 491542.

It is an arithmetic number, because the mean of its divisors is an integer number (3844757664).

Almost surely, 2^40147460818 is an apocalyptic number.

40147460818 is a deficient number, since it is larger than the sum of its proper divisors (21368661806).

40147460818 is a wasteful number, since it uses less digits than its factorization.

40147460818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94697.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 40147460818 in words is "forty billion, one hundred forty-seven million, four hundred sixty thousand, eight hundred eighteen".