39358790490 has 64 divisors (see below), whose sum is σ = 100275252480. Its totient is φ = 9852840960.

The previous prime is 39358790479. The next prime is 39358790509. The reversal of 39358790490 is 9409785393.

It is a super-2 number, since 2×39358790490² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39358790490.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99195 + ... + 297585.

It is an arithmetic number, because the mean of its divisors is an integer number (1566800820).

Almost surely, 2^39358790490 is an apocalyptic number.

39358790490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a pronic number, being equal to 198390×198391.

It is a practical number, because each smaller number is the sum of distinct divisors of 39358790490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50137626240).

39358790490 is an abundant number, since it is smaller than the sum of its proper divisors (60916461990).

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

39358790490 is a wasteful number, since it uses less digits than its factorization.

39358790490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198807.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 39358790490 in words is "thirty-nine billion, three hundred fifty-eight million, seven hundred ninety thousand, four hundred ninety".