40407070398 has 32 divisors (see below), whose sum is σ = 85584794400. Its totient is φ = 12674227200.

The previous prime is 40407070393. The next prime is 40407070411. The reversal of 40407070398 is 89307070404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40407070391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519448 + ... + 592148.

It is an arithmetic number, because the mean of its divisors is an integer number (2674524825).

Almost surely, 2^40407070398 is an apocalyptic number.

40407070398 is an abundant number, since it is smaller than the sum of its proper divisors (45177724002).

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

40407070398 is a wasteful number, since it uses less digits than its factorization.

40407070398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78172.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 40407070398 in words is "forty billion, four hundred seven million, seventy thousand, three hundred ninety-eight".