40748198399 has 32 divisors (see below), whose sum is σ = 45740376000. Its totient is φ = 36074225664.

The previous prime is 40748198369. The next prime is 40748198401. The reversal of 40748198399 is 99389184704.

It is not a de Polignac number, because 40748198399 - 2¹⁶ = 40748132863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40748198329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43861967 + ... + 43862895.

It is an arithmetic number, because the mean of its divisors is an integer number (1429386750).

Almost surely, 2^40748198399 is an apocalyptic number.

40748198399 is a deficient number, since it is larger than the sum of its proper divisors (4992177601).

40748198399 is a wasteful number, since it uses less digits than its factorization.

40748198399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 40748198399 in words is "forty billion, seven hundred forty-eight million, one hundred ninety-eight thousand, three hundred ninety-nine".