40507640600 has 96 divisors (see below), whose sum is σ = 108482580480. Its totient is φ = 13778916480.

The previous prime is 40507640599. The next prime is 40507640611. The reversal of 40507640600 is 604670504.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 63887 + ... + 291713.

It is an arithmetic number, because the mean of its divisors is an integer number (1130026880).

Almost surely, 2^40507640600 is an apocalyptic number.

40507640600 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 40507640600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54241290240).

40507640600 is an abundant number, since it is smaller than the sum of its proper divisors (67974939880).

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

40507640600 is a wasteful number, since it uses less digits than its factorization.

40507640600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227977 (or 227968 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 40507640600 in words is "forty billion, five hundred seven million, six hundred forty thousand, six hundred".