40494889670 has 16 divisors (see below), whose sum is σ = 72893092320. Its totient is φ = 16197446784.

The previous prime is 40494889663. The next prime is 40494889679. The reversal of 40494889670 is 7698849404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40494889679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602159 + ... + 666021.

It is an arithmetic number, because the mean of its divisors is an integer number (4555818270).

Almost surely, 2^40494889670 is an apocalyptic number.

40494889670 is a deficient number, since it is larger than the sum of its proper divisors (32398202650).

40494889670 is a wasteful number, since it uses less digits than its factorization.

40494889670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127279.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 40494889670 in words is "forty billion, four hundred ninety-four million, eight hundred eighty-nine thousand, six hundred seventy".