40137389206 has 16 divisors (see below), whose sum is σ = 60283888560. Its totient is φ = 20042779680.

The previous prime is 40137389203. The next prime is 40137389267. The reversal of 40137389206 is 60298373104.

It is a super-2 number, since 2×40137389206² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40137389203) 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, 6201340 + ... + 6207808.

It is an arithmetic number, because the mean of its divisors is an integer number (3767743035).

Almost surely, 2^40137389206 is an apocalyptic number.

40137389206 is a deficient number, since it is larger than the sum of its proper divisors (20146499354).

40137389206 is a wasteful number, since it uses less digits than its factorization.

40137389206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 40137389206 in words is "forty billion, one hundred thirty-seven million, three hundred eighty-nine thousand, two hundred six".