40306953920 has 84 divisors (see below), whose sum is σ = 99177725952. Its totient is φ = 15602572800.

The previous prime is 40306953829. The next prime is 40306953931. The reversal of 40306953920 is 2935960304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241985 + ... + 373055.

Almost surely, 2^40306953920 is an apocalyptic number.

40306953920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40306953920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49588862976).

40306953920 is an abundant number, since it is smaller than the sum of its proper divisors (58870772032).

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

40306953920 is a wasteful number, since it uses less digits than its factorization.

40306953920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131150 (or 131109 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 40306953920 in words is "forty billion, three hundred six million, nine hundred fifty-three thousand, nine hundred twenty".