40003450398 has 40 divisors (see below), whose sum is σ = 89648890320. Its totient is φ = 13332768480.

The previous prime is 40003450381. The next prime is 40003450427. The reversal of 40003450398 is 89305430004.

It is a super-3 number, since 3×40003450398³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2192658 + ... + 2210826.

It is an arithmetic number, because the mean of its divisors is an integer number (2241222258).

Almost surely, 2^40003450398 is an apocalyptic number.

40003450398 is an abundant number, since it is smaller than the sum of its proper divisors (49645439922).

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

40003450398 is a wasteful number, since it uses less digits than its factorization.

40003450398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31774 (or 31765 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 40003450398 in words is "forty billion, three million, four hundred fifty thousand, three hundred ninety-eight".