40507728299 has 8 divisors (see below), whose sum is σ = 43887990960. Its totient is φ = 37238294016.

The previous prime is 40507728269. The next prime is 40507728301. The reversal of 40507728299 is 99282770504.

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 40507728299 - 2²⁰ = 40506679723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40507728299.

It is not an unprimeable number, because it can be changed into a prime (40507728269) 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, 27706334 + ... + 27707795.

It is an arithmetic number, because the mean of its divisors is an integer number (5485998870).

Almost surely, 2^40507728299 is an apocalyptic number.

40507728299 is a deficient number, since it is larger than the sum of its proper divisors (3380262661).

40507728299 is a wasteful number, since it uses less digits than its factorization.

40507728299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55414189.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 40507728299 in words is "forty billion, five hundred seven million, seven hundred twenty-eight thousand, two hundred ninety-nine".