40577863 has 16 divisors (see below), whose sum is σ = 44241120. Its totient is φ = 37086336.

The previous prime is 40577851. The next prime is 40577879. The reversal of 40577863 is 36877504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40577863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40577263) 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, 138345 + ... + 138637.

It is an arithmetic number, because the mean of its divisors is an integer number (2765070).

Almost surely, 2^40577863 is an apocalyptic number.

40577863 is a deficient number, since it is larger than the sum of its proper divisors (3663257).

40577863 is a wasteful number, since it uses less digits than its factorization.

40577863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 40577863 is about 6370.0755882485. The cubic root of 40577863 is about 343.6342081405.

The spelling of 40577863 in words is "forty million, five hundred seventy-seven thousand, eight hundred sixty-three".