40134844305887 has 8 divisors (see below), whose sum is σ = 41124798156960. Its totient is φ = 39145416893440.

The previous prime is 40134844305883. The next prime is 40134844305889. The reversal of 40134844305887 is 78850344843104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40134844305887 - 2² = 40134844305883 is a prime.

It is a super-2 number, since 2×40134844305887² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134844305883) 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, 131455298 + ... + 131760255.

It is an arithmetic number, because the mean of its divisors is an integer number (5140599769620).

Almost surely, 2^{40134844305887} is an apocalyptic number.

40134844305887 is a deficient number, since it is larger than the sum of its proper divisors (989953851073).

40134844305887 is a wasteful number, since it uses less digits than its factorization.

40134844305887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263219313.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 40134844305887 in words is "forty trillion, one hundred thirty-four billion, eight hundred forty-four million, three hundred five thousand, eight hundred eighty-seven".