40890571903867 has 16 divisors (see below), whose sum is σ = 51187270541760. Its totient is φ = 31849857220608.

The previous prime is 40890571903861. The next prime is 40890571903913. The reversal of 40890571903867 is 76830917509804.

It is not a de Polignac number, because 40890571903867 - 2¹⁹ = 40890571379579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40890571903861) 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, 5924449158 + ... + 5924456059.

It is an arithmetic number, because the mean of its divisors is an integer number (3199204408860).

Almost surely, 2^{40890571903867} is an apocalyptic number.

40890571903867 is a deficient number, since it is larger than the sum of its proper divisors (10296698637893).

40890571903867 is a wasteful number, since it uses less digits than its factorization.

40890571903867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848905270.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 40890571903867 in words is "forty trillion, eight hundred ninety billion, five hundred seventy-one million, nine hundred three thousand, eight hundred sixty-seven".