40407406986 has 16 divisors (see below), whose sum is σ = 84328501824. Its totient is φ = 12883521024.

The previous prime is 40407406973. The next prime is 40407406987. The reversal of 40407406986 is 68960470404.

It is not an unprimeable number, because it can be changed into a prime (40407406987) 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, 146403511 + ... + 146403786.

It is an arithmetic number, because the mean of its divisors is an integer number (5270531364).

Almost surely, 2^40407406986 is an apocalyptic number.

40407406986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40407406986 is an abundant number, since it is smaller than the sum of its proper divisors (43921094838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40407406986 is a wasteful number, since it uses less digits than its factorization.

40407406986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292807325.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 40407406986 in words is "forty billion, four hundred seven million, four hundred six thousand, nine hundred eighty-six".