40087290992678 has 16 divisors (see below), whose sum is σ = 61123532883696. Its totient is φ = 19712853615840.

The previous prime is 40087290992641. The next prime is 40087290992717. The reversal of 40087290992678 is 87629909278004.

It is a super-2 number, since 2×40087290992678² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17301776 + ... + 19481427.

It is an arithmetic number, because the mean of its divisors is an integer number (3820220805231).

Almost surely, 2^{40087290992678} is an apocalyptic number.

40087290992678 is a deficient number, since it is larger than the sum of its proper divisors (21036241891018).

40087290992678 is a wasteful number, since it uses less digits than its factorization.

40087290992678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36792199.

The product of its (nonzero) digits is 219469824, while the sum is 71.

The spelling of 40087290992678 in words is "forty trillion, eighty-seven billion, two hundred ninety million, nine hundred ninety-two thousand, six hundred seventy-eight".