40165734400487 has 2 divisors, whose sum is σ = 40165734400488. Its totient is φ = 40165734400486.

The previous prime is 40165734400367. The next prime is 40165734400523. The reversal of 40165734400487 is 78400443756104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40165734400487 - 2¹² = 40165734396391 is a prime.

It is a super-2 number, since 2×40165734400487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40165734409487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082867200243 + 20082867200244.

It is an arithmetic number, because the mean of its divisors is an integer number (20082867200244).

Almost surely, 2^{40165734400487} is an apocalyptic number.

40165734400487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40165734400487 is an equidigital number, since it uses as much as digits as its factorization.

40165734400487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 40165734400487 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirty-four million, four hundred thousand, four hundred eighty-seven".