40350304398 has 16 divisors (see below), whose sum is σ = 80714499840. Its totient is φ = 13447786296.

The previous prime is 40350304391. The next prime is 40350304441. The reversal of 40350304398 is 89340305304.

It is a super-2 number, since 2×40350304398² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40350304391) 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, 540840 + ... + 610907.

It is an arithmetic number, because the mean of its divisors is an integer number (5044656240).

Almost surely, 2^40350304398 is an apocalyptic number.

40350304398 is an abundant number, since it is smaller than the sum of its proper divisors (40364195442).

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

40350304398 is a wasteful number, since it uses less digits than its factorization.

40350304398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157591.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 40350304398 in words is "forty billion, three hundred fifty million, three hundred four thousand, three hundred ninety-eight".