40496905 has 16 divisors (see below), whose sum is σ = 52462080. Its totient is φ = 29917888.

The previous prime is 40496903. The next prime is 40496933. The reversal of 40496905 is 50969404.

It is a cyclic number.

It is not a de Polignac number, because 40496905 - 2¹ = 40496903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40496903) 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, 2737 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (3278880).

Almost surely, 2^40496905 is an apocalyptic number.

It is an amenable number.

40496905 is a deficient number, since it is larger than the sum of its proper divisors (11965175).

40496905 is a wasteful number, since it uses less digits than its factorization.

40496905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 40496905 is about 6363.7178598678. The cubic root of 40496905 is about 343.4055246652.

The spelling of 40496905 in words is "forty million, four hundred ninety-six thousand, nine hundred five".