40373551120 has 80 divisors (see below), whose sum is σ = 107617183488. Its totient is φ = 13798632960.

The previous prime is 40373551091. The next prime is 40373551121. The reversal of 40373551120 is 2115537304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (40373551121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63805 + ... + 291235.

Almost surely, 2^40373551120 is an apocalyptic number.

40373551120 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 40373551120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53808591744).

40373551120 is an abundant number, since it is smaller than the sum of its proper divisors (67243632368).

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

40373551120 is a wasteful number, since it uses less digits than its factorization.

40373551120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227768 (or 227762 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 40373551120 in words is "forty billion, three hundred seventy-three million, five hundred fifty-one thousand, one hundred twenty".