40198159380 has 192 divisors, whose sum is σ = 121592217600. Its totient is φ = 9896173056.

The previous prime is 40198159369. The next prime is 40198159409. The reversal of 40198159380 is 8395189104.

It is a super-4 number, since 4×40198159380⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6481521 + ... + 6487719.

It is an arithmetic number, because the mean of its divisors is an integer number (633292800).

Almost surely, 2^40198159380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40198159380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60796108800).

40198159380 is an abundant number, since it is smaller than the sum of its proper divisors (81394058220).

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

40198159380 is a wasteful number, since it uses less digits than its factorization.

40198159380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398 (or 6396 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 40198159380 in words is "forty billion, one hundred ninety-eight million, one hundred fifty-nine thousand, three hundred eighty".