40550772815 has 8 divisors (see below), whose sum is σ = 55612488480. Its totient is φ = 27806244192.

The previous prime is 40550772811. The next prime is 40550772853. The reversal of 40550772815 is 51827705504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40550772815 - 2² = 40550772811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550772811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579296720 + ... + 579296789.

It is an arithmetic number, because the mean of its divisors is an integer number (6951561060).

Almost surely, 2^40550772815 is an apocalyptic number.

40550772815 is a deficient number, since it is larger than the sum of its proper divisors (15061715665).

40550772815 is a wasteful number, since it uses less digits than its factorization.

40550772815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158593521.

The product of its (nonzero) digits is 392000, while the sum is 44.

The spelling of 40550772815 in words is "forty billion, five hundred fifty million, seven hundred seventy-two thousand, eight hundred fifteen".