40545554120 has 16 divisors (see below), whose sum is σ = 91227496860. Its totient is φ = 16218221632.

The previous prime is 40545554113. The next prime is 40545554141. The reversal of 40545554120 is 2145554504.

It can be written as a sum of positive squares in 2 ways, for example, as 35563170724 + 4982383396 = 188582^2 + 70586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506819387 + ... + 506819466.

Almost surely, 2^40545554120 is an apocalyptic number.

40545554120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40545554120 is an abundant number, since it is smaller than the sum of its proper divisors (50681942740).

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

40545554120 is a wasteful number, since it uses less digits than its factorization.

40545554120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013638864 (or 1013638860 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 40545554120 in words is "forty billion, five hundred forty-five million, five hundred fifty-four thousand, one hundred twenty".