40297073630 has 32 divisors (see below), whose sum is σ = 79252000128. Its totient is φ = 14630666400.

The previous prime is 40297073629. The next prime is 40297073633. The reversal of 40297073630 is 3637079204.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40297073633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214136 + ... + 355595.

It is an arithmetic number, because the mean of its divisors is an integer number (2476625004).

Almost surely, 2^40297073630 is an apocalyptic number.

40297073630 is a deficient number, since it is larger than the sum of its proper divisors (38954926498).

40297073630 is a wasteful number, since it uses less digits than its factorization.

40297073630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570392.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 40297073630 in words is "forty billion, two hundred ninety-seven million, seventy-three thousand, six hundred thirty".