40715812240 has 20 divisors (see below), whose sum is σ = 94664263644. Its totient is φ = 16286324864.

The previous prime is 40715812229. The next prime is 40715812279. The reversal of 40715812240 is 4221851704.

It can be written as a sum of positive squares in 2 ways, for example, as 22729783696 + 17986028544 = 150764^2 + 134112^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 40715812196 and 40715812205.

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, 254473747 + ... + 254473906.

Almost surely, 2^40715812240 is an apocalyptic number.

40715812240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40715812240 is an abundant number, since it is smaller than the sum of its proper divisors (53948451404).

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

40715812240 is a wasteful number, since it uses less digits than its factorization.

40715812240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508947666 (or 508947660 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 40715812240 in words is "forty billion, seven hundred fifteen million, eight hundred twelve thousand, two hundred forty".