40371790998 has 96 divisors (see below), whose sum is σ = 102696854400. Its totient is φ = 10462448640.

The previous prime is 40371790997. The next prime is 40371791011. The reversal of 40371790998 is 89909717304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40371790997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1438165 + ... + 1465967.

It is an arithmetic number, because the mean of its divisors is an integer number (1069758900).

Almost surely, 2^40371790998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40371790998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51348427200).

40371790998 is an abundant number, since it is smaller than the sum of its proper divisors (62325063402).

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

40371790998 is a wasteful number, since it uses less digits than its factorization.

40371790998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282 (or 28275 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 40371790998 in words is "forty billion, three hundred seventy-one million, seven hundred ninety thousand, nine hundred ninety-eight".