40142641655 has 16 divisors (see below), whose sum is σ = 49224913920. Its totient is φ = 31419131808.

The previous prime is 40142641633. The next prime is 40142641687. The reversal of 40142641655 is 55614624104.

It is a happy number.

40142641655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40142641655 - 2¹⁰ = 40142640631 is a prime.

It is a super-3 number, since 3×40142641655³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426815 + ... + 512304.

It is an arithmetic number, because the mean of its divisors is an integer number (3076557120).

Almost surely, 2^40142641655 is an apocalyptic number.

40142641655 is a deficient number, since it is larger than the sum of its proper divisors (9082272265).

40142641655 is a wasteful number, since it uses less digits than its factorization.

40142641655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939310.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 40142641655 in words is "forty billion, one hundred forty-two million, six hundred forty-one thousand, six hundred fifty-five".