40155200999 has 8 divisors (see below), whose sum is σ = 42539324688. Its totient is φ = 37773527680.

The previous prime is 40155200983. The next prime is 40155201007. The reversal of 40155200999 is 99900255104.

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 40155200999 - 2⁴ = 40155200983 is a prime.

It is a super-2 number, since 2×40155200999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155200399) 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, 578792 + ... + 644445.

It is an arithmetic number, because the mean of its divisors is an integer number (5317415586).

Almost surely, 2^40155200999 is an apocalyptic number.

40155200999 is a deficient number, since it is larger than the sum of its proper divisors (2384123689).

40155200999 is a wasteful number, since it uses less digits than its factorization.

40155200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225185.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 40155200999 in words is "forty billion, one hundred fifty-five million, two hundred thousand, nine hundred ninety-nine".