40207147056618 has 16 divisors (see below), whose sum is σ = 80422643755776. Its totient is φ = 13400990745120.

The previous prime is 40207147056611. The next prime is 40207147056619. The reversal of 40207147056618 is 81665074170204.

It is a super-2 number, since 2×40207147056618² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40207147056611) 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, 347839171 + ... + 347954742.

It is an arithmetic number, because the mean of its divisors is an integer number (5026415234736).

Almost surely, 2^{40207147056618} is an apocalyptic number.

40207147056618 is an abundant number, since it is smaller than the sum of its proper divisors (40215496699158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40207147056618 is a wasteful number, since it uses less digits than its factorization.

40207147056618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695803549.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 40207147056618 in words is "forty trillion, two hundred seven billion, one hundred forty-seven million, fifty-six thousand, six hundred eighteen".