40420612707867 has 16 divisors (see below), whose sum is σ = 68437016225280. Its totient is φ = 23097492975816.

The previous prime is 40420612707859. The next prime is 40420612707869. The reversal of 40420612707867 is 76870721602404.

40420612707867 is a `hidden beast` number, since 40 + 4 + 206 + 1 + 270 + 78 + 67 = 666.

It is not a de Polignac number, because 40420612707867 - 2³ = 40420612707859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40420612707869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106932837663 + ... + 106932838040.

It is an arithmetic number, because the mean of its divisors is an integer number (4277313514080).

Almost surely, 2^{40420612707867} is an apocalyptic number.

40420612707867 is a deficient number, since it is larger than the sum of its proper divisors (28016403517413).

40420612707867 is a wasteful number, since it uses less digits than its factorization.

40420612707867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213865675719 (or 213865675713 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 40420612707867 in words is "forty trillion, four hundred twenty billion, six hundred twelve million, seven hundred seven thousand, eight hundred sixty-seven".