40007893650 has 24 divisors (see below), whose sum is σ = 99219576624. Its totient is φ = 10668771600.

The previous prime is 40007893621. The next prime is 40007893657. The reversal of 40007893650 is 5639870004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40007893657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133359496 + ... + 133359795.

It is an arithmetic number, because the mean of its divisors is an integer number (4134149026).

Almost surely, 2^40007893650 is an apocalyptic number.

40007893650 is an abundant number, since it is smaller than the sum of its proper divisors (59211682974).

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

40007893650 is a wasteful number, since it uses less digits than its factorization.

40007893650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266719306 (or 266719301 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 40007893650 in words is "forty billion, seven million, eight hundred ninety-three thousand, six hundred fifty".