40434363999 has 80 divisors (see below), whose sum is σ = 65134164480. Its totient is φ = 24917103360.

The previous prime is 40434363997. The next prime is 40434364001. The reversal of 40434363999 is 99936343404.

It is an interprime number because it is at equal distance from previous prime (40434363997) and next prime (40434364001).

It is not a de Polignac number, because 40434363999 - 2¹ = 40434363997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434363997) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31319544 + ... + 31320834.

It is an arithmetic number, because the mean of its divisors is an integer number (814177056).

Almost surely, 2^40434363999 is an apocalyptic number.

40434363999 is a deficient number, since it is larger than the sum of its proper divisors (24699800481).

40434363999 is a wasteful number, since it uses less digits than its factorization.

40434363999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 40434363999 in words is "forty billion, four hundred thirty-four million, three hundred sixty-three thousand, nine hundred ninety-nine".